CBCS courses:

• Chemistry of aliphatic hydrocarbons in B.Sc. 2^nd semester (Honours)
• Alcohols, Phenols, Ethers and Epoxides in B.Sc. 3^rd Sem (Honours)
• Alkaloids,
• Nucleic acids, amino acids, peptides and proteins in B.Sc. 5^th Sem (Honours)
• Stereodifferentiating reactions in M.Sc. 1^st Semester
• Qualitative organic analysis in B.Sc. 2^nd semester (Honours) and M.Sc. 1^st semester
• Bioorganic (Nucleic acid, carbohydrate metabolism, Lipids) chemistry in M.Sc. 2^nd semester
• Oxidation in M.Sc. 3^rd semester
• Asymmetric synthesis, Protecting groups in M.Sc. 4^th Semester
• Steroids, alkaloids and vitamins in M.Sc. 4^th Semester

Old courses

• Stereochemistry in B.Sc. 1^st and 2^nd semesters (Honours) and M.Sc. 1^st semester
• Stereoselective synthesis in M.Sc. 2^nd semester
• Organic reaction mechanism, addition and elimination reactions in B.Sc. 1^st semester (Honours)
• Aromatic electrophilic substitution, Amines, Aldehydes, Ketones, Carboxylic acids in B.Sc. 2^ndsemester (Honours)
• Nitro and amino compounds, Organo Sulphur and Organo Phosphorus compounds, Active methylene compounds, Aromatic heterocyclic compounds, Polynuclear aromatic hydrocarbons in B.Sc. 5^thsemester (Honours)
• Molecular rearrangements, Pericyclic reactions, Oxidation-reduction in B.Sc. 5^th semester (Honours)
• Organic Photochemistry, Carbohydrates, Polymers and fibres, Terpenes and Alkaloids in B.Sc. 6^th semester (Honours)
• Ionic compounds and solid state chemistry in B.Sc. 3^rd semester (Honours)
• Interhalogen compounds, Polyhalides, Pseudo halogen, Oxides and oxoacids of halogens, Noble gas compounds, Inorganic chains, Rings and Cages – Silicates, Aluminosilicates, Boranes, Borazines, Phosphazenes, Carboranes and Metallacarboranesin B.Sc. 4^thsemester (Honours)

1. Ultra-high Stokes shift in polycyclic chromeno[2,3-b]indoles. Basanta Kumar Rajbongshi, Himangshu Pratim Bhattacharyya, Choitanya Dev Pegu, Sagar Sharma, Pranjal K. Baruah and Manabendra Sarma. Polycyclic Aromatic Compounds 2020 (https://doi.org/10.1080/10406638.2020.1804411)

2.  New Donor-Acceptor-Donor type of organic semiconductors based on the regioisomers of diketopyrrolopyrroles: A DFT study. Gautomi Gogoi, Labanya Bhattacharya Shohidur Rahman, Neelotpal Sen Sarma1, Sridhar Sahu, Basanta Kumar Rajbongshi and Sagar Sharma. Materials Today Communications 2020 (Accepted for publication)

3. New types of organic semiconductors based on diketopyrrolopyrroles and 2,1,3-benzochalcogenadiazoles: a computational study. GautomiGogoi, Smruti R. Sahoo, Basanta Kumar Rajbongshi, Sridhar Sahoo, Neelotpal Sen Sarma and Sagar Sharma. Journal of Molecular Modelling 2019, 25:42, 1-12.

4.  One-pot sequential multi-component reaction: Synthesis of 3-substituted indoles. Paran J. Borpatra, Bhaskar Deka, Basanta K. Rajbongshi, Mohit L. Deb and Pranjal K. Baruah. Synthetic Communications2018, 48 (16), 2074 – 2082.

5. Introduction of an electron push-pull system yields a planar Red Kaede fluorescence protein chromophore analogue stabilized by a C=O···π interaction. Asish Singh, Basanta Kumar Rajbongshi and Gurunath Ramanathan. Journal of Chemical Sciences 2015, 127, 941-948.

6.  Tuning of Intermolecular Interactions Results in Packing Diversity in Imidazolin-5-ones. Ashish Singh, Basanta Kumar Rajbongshi and GurunathRamanathan. Journal of Chemical Sciences 2014, 126, 1275-1284.

7.  Solution Processed Imidazolin-5-one Based Bulk-heterojunction Organic Solar Cells. Vineet Kumar, S. Sundar Kumar Iyer and Basanta Kumar Rajbongshi. Delve, Volume II, Number II, July 2013-December 2013, p91-100 (A Bi-annual research journal of Nowgong College, ISBN 2278-7402).

8.  Segregation into Chiral Conformations of an Achiral Molecule by Concomitant Polymorphism. Basanta Kumar Rajbongshi, Nisanth N. Nair, M. Nethaji and Gurunath Ramanathan Crystal Growth & Design 2012, 12, 1823-1829.

9.  Excited State Relaxation Dynamics of Model Green Fluorescent Protein Chromophore Analogs: Evidence for cis-trans Isomerization. Shahnawaz Rafiq,*Basanta Kumar Rajbongshi,*Nisanth N. Nair, Pratik Sen and Gurunath Ramanathan. Journal of Physical Chemistry A 2011, 115, 13733-13742.

10.  Twisted Intramolecular Charge Transfer in a Model Green Fluorescent Protein Luminophore Analog. Basanta K. Rajbongshi, Pratik Sen and Gurunath Ramanathan. Chemical Physics Letters 2010, 494, 295-300.

11.  Dominant p^….p Interaction in the Self Assemblies of 4-Benzylidene Imidazolin-5-one Analogs. Basanta K. RajbongshiandGurunath Ramanathan. Journal of Chemical Sciences 2009, 121, 973-982.

12.  Bilayer Organic Solar Cells Based on Imidazolin-5-one Molecules. K. A. K. Chidvilas, Pramod Mani, S. Sundar Kumar Iyer, Basanta Kumar Rajbongshi and GurunathRamanathan. 34th IEEE Photovoltaic Specialist Conference, Philadelphia, PA, United States, June 7-12 (2009) 786-789.

13.  Photovoltaic Effect in Single Layer Organic Solar Cell Devices Fabricated with Two New Imidazolin-5-one Molecules. Vibhore Jain, Basanta Kumar Rajbongshi, ArunTejMallajosyula, GitaleeBhattacharjya, S. Sundar Kumar Iyer and Gurunath Ramanathan  Solar Energy Materials and Solar Cells 2008, 92, 1043-1046.

An Improved Organic Optoelectronic Device Using Imidazolin-5-one Molecules with Other Molecules. Indian Pat. Appl. (2009), 19pp. CODEN: INXXBQ IN 2007DE01231 A 20090116 CAN 152:63967 AN 2009:99304 CAPLUS. Inventors: Jain, Vibhor; Bhattacharjya, Gitalee; Rajbongshi, Basanta Kumar; Arun, Tej M.; Gurunath, Ramanathan; Iyer, S. Sundar Kumar.

Other information ( eg Awards and Distinctions, Invited Lecture, Association with Professional Bodies etc)

• 2004: Qualified National Eligibility Test (NET) in Chemical Sciences for Junior Research Fellowship (JRF) of CSIR, INDIA.
• 2005: Qualified All INDIA Graduate Aptitude Test for Engineering (GATE) in Chemical Sciences  Score: 98.49 Percentile; All INDIA Rank: 51
• 1^st Rank holder in M.Sc (2004) from Gauhati University
• Invited lecture in Dept. of Chemistry, Bodoland University on 20^thJune, 2018 on “Reduction reactions in organic chemistry”
• Invited lecture in Department of Chemistry, Don Bosco University on 15^thSeptember, 2018 on “Green Fluorescent Protein. Photophysical, Crystallographic and Photovoltaic Studies on its Chromophore Analogs”