RJ-REENA JAIN(CHEMISTRY OF S AND PBLOCK ELEMENTS), SK-SUDERSHAN KUMAR(CHEMISTRY OF S AND PBLOCK ELEMENTS), JK-JASPREET KAUR(CHEMICAL THERMODYNAMICS AND ITS APPLICATIONS), HV-HEMANT VERMA(CHEMICAL THERMODYNAMICS AND ITS APPLICATIONS), DM-DEVANSHI MAGOO(HALOALKANES ARENES HALOARENES ALCOHOLS PHENOLS ETHERS AND EPOXIDES), SD-SRIPARNA DUTTA(HALOALKANES ARENES HALOARENES ALCOHOLS PHENOLS ETHERS AND EPOXIDES), CK-CHARU KUMAR(CARBOHYDRATES LIPIDS AND HETEROCYCLIC COMPOUNDS, POLYNUCLEAR HYDROCARBONS PHOTOCHEMISTRY PERICYCLIC REACTIONS AND SPECTROSCOPY OF ORGANIC COMPOUNDS), AS-ANJU SRIVASTAVA(CARBOHYDRATES LIPIDS AND HETEROCYCLIC COMPOUNDS), AD-ANU DALAL(CARBOHYDRATES LIPIDS AND HETEROCYCLIC COMPOUNDS, ANALYTICAL METHODS IN CHEMISTRYPOLYNUCLEAR HYDROCARBONS PHOTOCHEMISTRY PERICYCLIC REACTIONS AND SPECTROSCOPY OF ORGANIC COMPOUNDS, ), GB-GEETIKA BHALLA(ELECTROCHEMICAL CELLS CHEMICAL KINETICS AND CATALYSIS), SY-SUSHMA YADAV(ELECTROCHEMICAL CELLS CHEMICAL KINETICS AND CATALYSIS, PHOTOCHEMISTRY AND SPECTROSCOPY), VN-VINITA NARULA(ANALYTICAL METHODS IN CHEMISTRYPHOTOCHEMISTRY AND SPECTROSCOPY, ), AK-AJAI KUMAR(Coordination chemistry and reaction mechanism PRINCIPLES IN QUALITATIVE ANALYSIS AND BIOINORGANIC CHEMISTRY, ), CHEM G1-CHEMISTRY GUEST 1(PRINCIPLES IN QUALITATIVE ANALYSIS AND BIOINORGANIC CHEMISTRY, ROLE OF METALS IN MEDICINES), MC-MANOJ CHAHAL(Coordination chemistry and reaction mechanism , ROLE OF METALS IN MEDICINES), NK-NEHA KAPOOR(Molecules of life), CHEG3-CHEMISTRY GUEST 3(Molecules of life),