LIST OF PUBLICATIONS

International Referred

2023

1. 

1. De, D., Sharma, V., Sahu, B. C., Sahu, R. K., & Maharana, T. (2023). Chemical conversion of CO₂ into cyclic carbonates by two Metal–Organic frameworks. Polyhedron, 230, 116240. 

2022

1. Devi, R., Patra, J., Tapadia, K., Chang, J. K., & Maharana, T. (2022). Arrangement of ZnFe2O4@ PPy nanoparticles on carbon cloth for highly efficient symmetric supercapacitor. Journal of the Taiwan Institute of Chemical Engineers, 138, 104474.

2. Patel, K., Sutar, A. K., & Maharana, T. (2022). Microwave-assisted preparation of carboxylic graphene oxide-chitosan composite for adsorption of uranium and heavy toxic metals in water samples. Separation Science and Technology, 1-19.

3. Suryavanshi, V. S., Maharana, T., & Jagtap, P. K. (2022). Microencapsulation of Cassia Fistula Flower Extract with Chitosan and its Antibacterial Studies. Current Drug Delivery, 19(9), 980-990.

4. De, D., Sharma, V., Sahu, B. C., Sahu, R. K., & Maharana, T. Chemical Conversion of Co2 into Cyclic Carbonates by Two Metal–Organic Frameworks. Available at SSRN 4213773.

5. Patel, K., Sutar, A. K., & Maharana, T. (2022). Synthesis of carboxylic graphene o xide‐carboxymethyl chitosan composite and its applications toward the remediation of U6+, Pb2+, Cr6+, and Cd2+ ions from aqueous solutions. Journal of the Chinese Chemical Society, 69(12), 2027-2041.

2021 

1. Maharana, T., Nath, N., Pradhan, H. C., Mantri, S., Routaray, A., & Sutar, A. K. (2021). Polymer-supported first-row transition metal schiff base complexes: Efficient catalysts for epoxidation of alkenes. Reactive and Functional Polymers, 105142.
2. Patel, K., Sutar, A. K., & Maharana, T. (2021, March). Adsorption isotherms and kinetics study for U (VI) removal by excellent sorbent materials graphene oxide and functionalised graphene oxide. In IOP Conference Series: Materials Science and Engineering (Vol. 1120, No. 1, p. 012011). IOP Publishing.

2020

1. Rama Devi,^a   Kavita Tapadia,^a   Tushar Kant,^b   Archana Ghosale,^c   Kamlesh Shrivas,   Indrapal Karbhal^b  and  Tungabidya Maharana*^a  A low-cost paper-based flexible energy storage device using a conducting polymer nanocomposite; New J. Chem., 2020,44, 13446-13457. 10.1039/D0NJ02158J;
2. Harish Chandra Pradhan, Somanath Mantri, Tungabidya Maharana & Alekha Kumar Sutar; Cobalt(II) complex-catalyzed solventless coupling of CO₂ and epoxides Chemical Papers, 74, 3423–3430 (2020). 10.1007/s11696-020-01175-5. IF-2.097; Electronic ISSN 2585-7290 Print ISSN 0366-635
3. Rama Devi, Kavita Tapadia, Tungabidya Maharana; Casting of carbon cloth enrobed polypyrrole electrode for high electrochemical performances; Heliyon 6 (2020) e03122; Dec 2019.
4. Harish Chandra Pradhan, Somanath Mantri, Anita Routaray, Tungabidya Maharana and Alekha Kumar Sutar; Cobalt (II) complex catalyzed polymerization of lactide and coupling of CO₂ and styrene oxide into cyclic styrene carbonate; J. Chem. Sci. (2020) 132:25.
5. Vidya G. Kartha, Vandana Suryavanshi and Tungabidya Maharana; Cassia alata Seed Extract Loaded Chitosan: Synthesis and Release Study; Asian Journal of Chemistry; Vol. 32, No. 1 (2020), 21-25.
6. V. K. Verma, K. Tapadia, T. Maharana, and A. Sharma; Ultrasensitive Fluorescence Determination Of 6-Thioguanine In Biological Samples Based On The Silver Nanoparticle-Mediated Release Of Acridine Orange Probe; Journal of Applied Spectroscopy, Vol. 87, No. 2, May, 2020 (Russian Original Vol. 87, No. 2, March–April, 2020);357-363. 

2019

1. Khilawan Patel, Rama Devi, Pradeep Kumar Dewangan, Vinayak, Alekha Kumar Sutar and Tungabidya Maharana. A Novel Method for the Removal of Uranium by Using Carboxyl Functionalized Graphene Oxide; Published 1 March 2020 • Published under licence by IOP Publishing Ltd; IOP Conference Series: Materials Science and Engineering, Volume 798, National Conference on Advanced Materials and Applications (NCAMA 2019) 21-22 December 2019, Raipur, India
2. Rama Devi¹, Khilawan Patel¹, Vinayak Sahu¹, Komal Kashyap¹, Kavita Tapadia¹ and Tungabidya Maharana¹ Fabrication and Characterization of Polypyrrole Nanoparticles for Supercapacitor Electrode Materials; Published 1 March 2020 • Published under licence by IOP Publishing Ltd; IOP Conference Series: Materials Science and Engineering, Volume 798, National Conference on Advanced Materials and Applications (NCAMA 2019) 21-22 December 2019, Raipur, India
3. Vandana Suryavanshi & Preeti K. Suresh & Chayan Das & Tungabidya Maharana; Physicochemical properties and in-vitro release study of CFLE-chitosan microsphere beads; Journal of Polymer Research (2019) 26: 288.
4. VANDANA SURYAVANSHI1, ALEKHA KUMAR SUTAR2 and TUNGABIDYA MAHARANA; Physico-Chemical Studies of Chitosan Derivatives and Optimization of Reaction Conditions using RSM Design; Asian Journal of Chemistry; Vol. 31, No. 9 (2019), 2029-2036.

2018

1.  Vikas Kumar Verma, Kavita Tapadia, Tungabidya Maharana, Ashima Sharma; Convenient and ultra‐sensitive fluorescence detection of bovine serum albumin by using Rhodamine‐6G modified gold nanoparticles in biological samples; Luminescence. 2018;33:1408–1414. 

2.  Sasmita Pattanaik, Alekha Kumar Sutar and Tungabidya Maharana; Graft copolymerization of Soy Protein Isolate with Polylactide via Ring Opening Polymerization; 2018 IOP Conf. Ser.: Mater. Sci. Eng. 410 012011   https://doi.org/10.1088/1757-899X/410/1/012011. 

3.  Vidya.G.Kartha, T.Maharana, Vandana Suryavanshi; Synthesis and Characterisation Of Carboxy Methyl Chitosan; International Journal of Engineering Technology Science and Research IJETSR www.ijetsr.com ISSN 2394 – 3386 Volume 5, Issue 5 May 2018; 245-250. 

4.  Vidya.G.Kartha, T.Maharana; A Novel Method for Preparation of Carboxymethyl Chitosan by Microwave Irradiation; Asian Journal of Chemistry; Vol. 30, No. 12 (2018), 2638-2640. 

2017

1. S. Mantri, H. C. Pradhan, T. Maharana, and A. K. Sutar, "Schiff Base Transition Metal Complexes for ROP of L-Lactide," International Journal of Chemical Engineering and Applications vol. 8, no. 2, pp. 122-126, 2017. 
2. N. Nath, H. C. Pradhan, T. Maharana, and A. K. Sutar, "Polymer Supported Schiff Base Iron Complex for Epoxidation of Trans-stilbene," International Journal of Chemical Engineering and Applications vol. 8, no. 2, pp. 127-130, 2017.
3. Anita Routaray, Somanath Mantri, Nibedita Nath, Alekha Kumar Sutar; Tungabidya Maharana; Synthesis, Characterization, and Catalytic Activity of Zinc Complex for ROP of Lactide; Polymer International. 66(2017)2, 313–319.

2016

1. Anita Routaray, Somanath Mantri, Nibedita Nath, Alekha Kumar Sutar; Tungabidya Maharana; Nickel (II) complex catalyzed ring opening polymerization of lactide; Polyhedron,  119, (2016) 335–341.
2. Anita Routaray, Somanath Mantri, Nibedita Nath, Alekha Kumar Sutar; Tungabidya Maharana; Polymerization of lactide and synthesis of block copolymer catalyzed by copper (II) Schiff base complex; Chinese Chemical Letters; 27(12) 2016; 1763–1766.
3. Anita Routaray, Nibedita Nath, Tungabidya Maharana, Pratap Kumar Sahoo, Jaya Prakash Das, Alekha Kumar Sutar; Salicylaldimine Copper (II) Complex Catalyst: Pioneer for Ring Opening Polymerization of Lactide; Journal of Chemical Sciences, 128(2016)883-891.

2015

1. Tungabidya Maharana, Sasmita Pattanaik, Anita Routaray, Nibedita Nath, Alekha Kumar Sutar, Synthesis and Characterization of Poly(lactic acid) based Graft Copolymers, Reactive and Functional Polymers, 93 (2015) 47 67.
2. Nibedita Nath, Anita Routaray, Yasobanta Das, Tungabidya Maharana, Alekha Kumar Sutar, Synthesis and Structural Studies of Polymer Supported Transition Metal Complexes: Efficient Catalysts for Oxidation of Phenol, Kinetics and Catalysis 56(6) (2015) 718-732.
3. Anita Routaray, Nibedita Nath, Tungabidya Maharana & Alekha kumar Sutar (2015) Synthesis and Immortal ROP of L-Lactide Using Copper Complex, Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 52:6, 444-453.
4. Anita Routaray, Nibedita Nath, Somanath Mantri, Tungabidya Maharana, Alekha Kumar Sutar; Synthesis and structural studies of copper(II) complex supported by –ONNO– tetradentate ligand: Efficient catalyst for the ring‐opening polymerization of lactide; Chinese Journal of Catalysis; 36(2015) 764-770.

2014-2006

1. Alekha Kumar Sutar, Tungabidya Maharana, Yasobanta Das, and Prasanta Rath, Polymer Supported Nickel Complex: Synthesis, Structure, and Catalytic Application, Journal of Chemical Sciences, 126 (6) 2014, 1695–1705.
2. Alekha Kumar Sutar, Yasobanta Das, Sasmita Pattnaik, Anita Routaray, Nibedita Nath, Prasanta Rath and Tungabidya Maharana,  Novel Polystyrene-Anchored Zinc Complex: Efficient Catalysts for Oxidation of Phenol, Chinese Journal of Catalysis, 35(10), 2014, 1701-1708.
3. Alekha Kumar Sutar, Tungabidya Maharana, Saikat Dutta, Chi-Tien Chen, Chu-Chieh Lin, Ring-opening Polymerization by Lithium catalysts: An Overview, Chemical Society Review 39 (2010) 1724–1746
4. Maharana T, Mohanty B, Negi YS; entitled "Preparation of poly(lactic acid) nanoparticles and optimization of the particle size" International Journal of Green Nanotechnology 2010; 2(2) 100 – 109.
5. Rani M, Agarwal A, Maharana T and Negi YS; A comparative study for interpenetrating polymeric network (IPN) of chitosan-amino acid beads for controlled drug release; African Journal of Pharmacy and Pharmacology. 2010;4(2) 035 – 054. (Impact factor-0.667).
6. Maharana T, Mohanty B, and Negi YS; Melt-Solid Polycondensation of Lactic Acid and Its Biodegradability; Progress in Polymer Science 34(2009) 99-124. (Impact factor-23.753)-Received 325US$ from Elsevier
7. Maharana T, Negi YS, Mohanty B; Review Article: Recycling of Polystyrene. Polymer-Plastics Technology and Engineering (2007), 46(7), 729-736.       (Impact factor-0.557)
8. Maharana T, Singh BC; Synthesis and characterization of biodegradable polyethylene by graft copolymerization of starch using glucose-Ce(IV) redox system. Journal of Applied Polymer Science (2006), 100(4), 3229-3239. (Impact factor-1.2)

Others

1. Alekha Kumar Sutar, Sasmita Pattnaik, Anita Routaray, Nibedita Nath, Tungabidya Maharana,  Synthesis, Structural Studies and Catalytic activity of Copper (II) Complex Supported by N, N’-bis (2-Hydroxy-3-Methoxybenzaldehyde) 4-Methylbenzene-1, 2-Diamine, Journal of Catalysis and Catalyst, 1 (2014) 63-70.
2. Alekha Kumar Sutar, Yasobanta Das, Sasmita Pattanaik, Anita Routaray, Prasanta Rath, Tungabidya Maharana, Preparation, characterization, and catalytic studies of Iron and Cobalt complexes supported by ONNO – Tetradentate Schiff-Base ligands, American Journal of Applied Chemistry,; 1(2) (2013) 28-36.
3.  Alekha Kumar Sutar, Yasobanta Das, Sasmita Pattnaik, Nibedita Nath, Prasanta Rath, Tungabidya Maharana, Synthesis and Structural Studies of Nickel Complex Supported by -ONNO-Tetradentate Schiff-Base Ligand: Efficient Catalysts for Oxidation of Phenol, International Journal of Materials Science and Applications 2(4) (2013) 136-145
4. Alekha Kumar Sutar, Yasobanta Das, Prasanta Rath, Tungabidya Maharana “Polymer Anchored Copper(II) Complex Supported by -ONNO- Schiff Base: Efficient Catalysts for Oxidation of Phenol” Indian Journal of Applied Research 3(2013) 44-48
5. Alekha Kumar Sutar, Ysobanta Das, Prasanta Rath, Tungabidya Maharana, Parna Gupta “Synthesis and Characterization of Polymer Anchored metal Complex Supported by N, N'-bis (2-hydroxy-3-methylbenzaldehyde) 4-Methylbenzene-1,2-diamine Schiff Base” International Journal of Scientific Research 11(2013) 75-77
6. Ambuja Samantaray, Tungabidya Maharana, Alekha Kumar Sutar, BC Singh, Synthesis and characterizations of PP grafted gelatin using ce(IV)-glucose redox system and study of its biodegradability. Asian Journal of Research in Chemistry, 05(2) (2012) 205-214.
7. Ambuja Samantaray, Tungabidya Maharana, Alekha Kumar Sutar, BC Singh. Biodegradable PVAc-g-starch: synthesis, characterization and biodegradability study, Journal of Teaching and Research in Chemistry, 18(2) (2011) 17-30.
8. Maharana T, Singh BC; Graft copolymerization of starch onto polyvinylchloride(PVC) using glucose-Ce(IV) redox system and study of its biodegradability. Journal of Teaching and Research in Chemistry (2004), 11(1), 70-81.

BOOK

1. Alekha Kumar Sutar, Tungabidya Maharana, “Title: Imperative Inorganic Chemistry” writing in continuation for Books and Allied publisher, India.

BOOK CHAPTER

1. Tungabidya Maharana, Alekha Kumar Sutar, Anita Routaray, Nibedita Nath, Y S Negi; Polyetheretherketone (PEEK): Applications as a Biomaterial; Chapter in Encyclopedia entitled  "Biomedical Polymers and Polymeric Biomaterials" [ISBN: 1439898790, 1439898796] Taylor and Francis, USA; DOI: 10.1081/E-EBPP-120050548
2. Tungabidya Maharana, Alekha Kumar Sutar, Nibedita Nath, Anita Routaray, Y S Negi, B Mohanty; Application of PEEK as a fuel cell membrane; Book Chapter in “Advanced Energy Materials, Chapter-11 page-433–464;Wiley-Scrivener, USA DOI: 10.1002/9781118904923.
3. Alekha Kumar Sutar^*, Tungabidya Maharana^*, Anita Routaray, Ring Opening Polymerization of Lactide; Advanced Catalytic Materials, Book Series published by WILEY-Scrivener, USA, Chapter-6 page-193-224 2015

INTERNATIONAL CONFERENCES

NATIONAL CONFERENCES

1. Maharana T, Samantray A, Mohanty SN, Singh BC; Graft copolymerization of starch onto PVC using glucose-Ce(IV) redox system and study of its biodegradability; National seminar on Eco-Friendly Biodegradable Polymers; 13-14, Dec 2002.
2. Ambuja Samantaray, Tungabidya Maharana, Alekha Kumar Sutar, BC Singh, Synthesis and characterizations of   poly(vinyl acetate) grafted starch and its biodegradability study; National seminar on  “Chemistry in Technology”, 26^TH annual conference of Orissa Chemical Society at Ravenshaw University; December 8-9, 2012.
3. Tungabidya Maharana, Alekha Kumar Sutar, B Mohanty, YS Negi, Preparation and properties of poly(lactic acid) nanoparticles by nanoprecipitation technique; National seminar on “Chemistry in Technology”, 26^TH annual conference of Orissa Chemical Society at Ravenshaw  University ; December 8-9, 2012.
4. Alekha Kumar Sutar, Tungabidya Maharana, Nibedita Nath, Polymer Supported 3d Series Catalysts for oxidation of Phenol based on HAPPD Schiff base; National seminar on  “Chemistry in Technology”, 26^TH annual conference of Orissa Chemical Society at Ravenshaw University; December 8-9, 2012.
5. Alekha Kumar Sutar, Tungabidya Maharana, Anita Routaray, Polymer Supported Fe(III), Cu(II) and Zn(II) Catalysts for oxidation of Phenol; National seminar on “Chemistry in Technology”, 26^TH annual conference of Orissa chemical society at Ravenshaw University; December 8-9, 2012.
6. Alekha Kumar Sutar, Nibedita Nath, Tungabidya Maharana, Synthesis of polymer supported Copper(II) complex supported by –ONNO- tetradendate Schiff base ligands: Efficent catalyst for oxidation of trans stilbene  “Chemistry in the 21^st century” 27^th Annual Conference of Orissa Chemical Society and National Conference at Department of Chemistry, Modern engineering and management Studies, Balasore , December 14-15, 2013.
7. Alekha Kumar Sutar, Anita Routaray, Tungabidya Maharana, Synthesis of Copper(II) complex supported by –ONNO- tetradendate Schiff base ligands: Efficent catalyst for lactide polymerization “Chemistry in the 21^st century” 27^th Annual Conference of Orissa Chemical Society and National Conference at Department of Chemistry, Modern engineering and management Studies, Balasore , December 14-15, 2013.
8. Alekha Kumar Sutar, Anita Routaray, Tungabidya Maharana, Synthesis of Nickel complex supported by –ONNO- tetradendate Schiff base ligands and its catalytic activity towards oxidation of phenol “Chemistry of Organometallics and its application to society” at Department of Chemistry, Salipur College, Odisha, September 14-15, 2013.
9. Harish Chandra Pradhan, Somnath Mantri, Alekha Kumar Sutar , Tungabidya Maharana. Synthesis of (O-,N,N,O- ) tetradentate based Cr(III) salen complexes and its catalytic activity towards cyclic carbonate formation by coupling reaction of epoxide and carbon dioxide. National Conference on Polymer Science theme Polymers: Trends and Innovations held at Faculty of Pharmaceutical Sciences, Shri Shankaracharya Technical Campus, Bhilai, Chhattisgarh on March 21, 2015.
10. Vandana Suryavanshi¹, Alekha Kumar Sutar²; Tungabidya Maharana; Synthesis And Characterization Of Carboxymethyl Chitosan By Chemical Modification Method; National Conference on Polymer Science  Sponsored by Chhattisgarh Council of Science and Technology,  (CGCOST) March 21, 2015.
11. Vandana Suryavanshi¹, Alekha Kumar Sutar²; Tungabidya Maharana¹ Synthesis and characterization of water soluble carboxymethyl chitosan by chemical modification method and its application; National Seminar on Biodiversity, industrialization, Environment and We, (Chhattisgarh Council of Science and Technology, Raipur (C.G.) (NCS-2016).
12. Harish Chandra Pradhan, Somnath Mantri, Alekha Kumar Sutar, Tungabidya Maharana; Synthesis of Propylene Carbonates via Catalytic Cycloaddition of Propylene oxide and Carbon Dioxide using (O-,N,N,O- ) tetradentate based Cu(II) salen complexes. National conference on “Advances in Environmental & Chemical Sciences” March 17-18, 2017 held at Sri C.V. Raman Hall, School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur.
13. Rama Devi, T Maharana; Synthesis of polypyrrole nanoparticles; National Conference on Recent Advances in Functional nanomaterials at Pt Ravi Shakar Shukla University Raipur on 28^th Sep 2018.
14. Khilawan Patel, Tungabidya Maharana, Kavita Tapadia, Alekha Kumar Sutar, V. N. Jha, N. K. Sethy, Spatial distribution of uranium and associated water quality parameters in Surajpur district of Chhattisgarh. Twentieth national symposium on environmental (NSC-20) “Challenges in Energy Resource Management & Climate Change’’ December 13-15, 2018 held at Discipline of Earth Sciences, IIT Gandhinagar, Gujarat.
15. Rama Devi, Tungabidya Maharana; Synthesis, Characterization and Applications of Conducting Polypyrrole. National Conference on "Advances in Environmental & Chemical Science" March 22-23, 2018 held at Sri C. V. Raman Hall, School of Studies in Chemistry, Pt. Ravishankar Shukla University Raipur.
16. Somanath Mantri 1 , Tungabidya Maharana 2 , Alekha Kumar Sutar; Synthesis, Characterization, and Catalytic Activity of [-ONNO-] tetradentate Zinc Complex for ROP of Cyclic Ester; National Conference On ‘‘Innovation in Chemistry and Environmental Engineering’’ (ICEE-2019) April 29, 2019.
17. Harish Chandra Pradhan 1 , Alekha Kumar Sutar 2 , Tungabidya Maharana; Highly Active, mononuclear zinc(II)-salen complex as efficient catalyst for the formation of cyclic organic carbonates from epoxides and carbon dioxide. National Conference On ‘‘Innovation in Chemistry and Environmental Engineering’’ (ICEE-2019) April 29, 2019.
18. Vandana Singh Suryavanshi 1 , Alekha Kumar Sutar 2 ; Tungabidya Maharana; Physicochemical properties and in-vitro release study of cfle-chitosan Microsphere beads; National Conference On ‘‘Innovation in Chemistry and Environmental Engineering’’ (ICEE-2019) April 29, 2019.
19. Vikas Kumar Verma, Kavita Tapadia 1 ٭, Tungabidya Maharana; Selective turn-on fluorescence assay of Carbimazole by using Acridine modified Gold nanoparticles; National Conference On ‘‘Innovation in Chemistry and Environmental Engineering’’ (ICEE-2019) April 29, 2019.
20. Rama Devi, Kavita Tapadia, Tungabidya Maharana; Development of Nickel Festooned Polypyrrole Paper Electrode for Electrochemical Applications; National Conference On ‘‘Innovation in Chemistry and Environmental Engineering’’ (ICEE-2019) April 29, 2019.
21. Khilawan Patel 1 , Alekha Kumar Sutar 2 , Tungabidya Maharana; U(VI) Removal Study by Synthesized Graphene Oxide and Carboxylic Functionalized Graphene Oxide in Water Sample. National Conference On ‘‘Innovation in Chemistry and Environmental Engineering’’ (ICEE-2019) April 29, 2019.
22. Vidya G. Kartha, Tungabidya Maharana; Synthesis, Characterization and Release study of Cassia Alata Seed Extract Encapsulated with Chitosan; National Conference On ‘‘Innovation in Chemistry and Environmental Engineering’’ (ICEE-2019) April 29, 2019.
23. Harish Chandra Pradhan 1 , Alekha Kumar Sutar 2 , Tungabidya Maharana; Highly active and selective Cu(II)-ONNO-tetradentate complex: Efficient catalyst for solvent free preparation of propylene carbonate by fixation of CO₂. ; National Conference on Innovative Structural Materials; 24-25 Dec, 2018. AEMRF, Bhubaneswar.
24. T Maharana; Transformation of Carbon Dioxide to cyclic carbonates by Schiff Base Metal Complexes; National Seminar on “Physics and Chemistry of Novel Materials” (PCNM-2020) February 28-29, 2020 held at Centurion University Of Technology and Management, Bolangir Campus, Odisha, India.
25. Khilawan Patel, Alekha Kumar Sutar, Tungabidya Maharana, Uranium Sorption Study by Using Graphene Oxide and functionalized Carboxylic Graphene Oxide. National Seminar on “Physics and Chemistry of Novel Materials” (PCNM-2020) February 28-29, 2020 held at Centurion University Of Technology and Management, Bolangir Campus, Odisha, India.
26. Khilawan Patel, Alekha Kumar Sutar, Tungabidya Maharana, A Novel Method for the Removal of Uranium by Using Carboxyl Functionalized Graphene Oxide. National Conference on “Advanced Materials and Applications (NCAMA-2019)’’ December 21-22, 2019 held at Department of Physics, National Institute of Technology, Raipur, (CG).
27. Somanath Mantri, Tungabidya Maharana and Alekha Kumar Sutar; Synthesis, Characterization, and Catalytic Activity of [-ONNO-] Metal Complexes for ROP of Cyclic Ester; National Seminar on “Physics and Chemistry of Novel Materials” (PCNM-2020) February 28-29, 2020 held at Centurion University Of Technology and Management, Bolangir Campus, Odisha, India.
28. R. Devi, T. Maharana, K. Tapadia; Casting of Carbon Cloth Enrobed Polypyrrole Electrode for High Electrochemical Performances; National Conference on Recent Trends in Chemistry and Environmental Issues In Chhattisgarh, Dept. of Chemistry, Kalinga University, Naya Raipur (C.G), 19-20 September, 2019.
29. R. Devi, T. Maharana, K. Tapadia; Fabrication and Characterization of Polypyrrole Nanoparticles for Supercapacitor Electrode Materials; National Conference on Advanced Materials and Applications (NCAMA-2019), Dept. of Physics, National Institute of Technology Raipur (C.G), December 21-22, 2019.
30. R. Devi, T. Maharana, K. Tapadia; Paper Based Flexible Energy Storage Device Using Conducting Polymer Nanocomposite, National Seminar on Physics and Chemistry of Novel Materials (PCNM-2020); Department of Physics and Chemistry, School of Applied Science Centurion University of Technology and Management Balangir Campus, Odisha , India, February 28 th -29 th 2020
31. Khilawan Patel, Alekha Kumar Sutar, Tungabidya Maharana, Adsorption Isotherms and Kinetics Study for U(VI) Removal by Excellent Sorbent Materials Graphene Oxide and Functionalised Graphene Oxide. National Conference on “Advanced Materials and Applications (NCAMA-2020)’’ December 28-29, 2020 held at Department of Physics, National Institute of Technology, Raipur, (CG).
32. Khilawan Patel, Alekha Kumar Sutar, Tungabidya Maharana, Radiological and Chemo-toxicological Risk Assessment for Uranium Removal in Water Sample by Using Graphene Oxide and Modified Carboxylic Graphene Oxide 2^nd   International Conference on “Recent Trends in Renewable Energy & Sustainable Development (ICRTRESD-2020)” January 30-31, 2020 held at Bhilai Institute of Technology, Raipur (CG)