Phase transition in magnetic material, spin systems, Nano-materials & spectroscopy.
- S.S.C. [Matric] (Literature [Hindi+English+Sanskrit], Science [Physics+Chemistry+Biology+math], Economics, Civics, Histry, Geography), Kurwan High School, Goh, Aurangabad (Bihar School Examination Board, Patna, Bihar), 1984
- I.Sc. (Physics, Chemistry & Math), J. J. College, Gaya (Bihar Intermediate Education Counsil, Patna, Bihar), 1986
- B.Sc. [Hons.] (Physics), J. J. College, Gaya (Magadh University, Bodh-Gaya, Bihar), 1991
- M.Sc. (Physics), University Department of Physics (Magadh University, Bodh-Gaya, Bihar), 1994, Specialization: Atomic Molecular Physics
- Ph.D. (Physics), Institute of Chemical Technology (University of Mumbai), 2003, Thesis title: Lasing & spectroscopic properties of Laser dyes in sol-gel glasses.
- Laboratory Assistant/Teacher, DAV BASL Vidyamanidr, Balkudra, Patratu, Bihar, India (1994 - 1996)
- Technical Assistant, Lokmanya Tilak College of Engg., Vassi, New Bombay, Maharashtra, India (1996 - 1997)
- Visiting Lecturer, Veermata Jijabai Technological Institute (VJTI), Mumbai, India (2001 - 2002)
- Research Associate, S. N. Bose National Centre for Basic Sciences, Kolkata, India (2002 - 2006)
- Visiting Researcher, Milano-Bicocca University, Milano, Italy (2006 - 2007)
- , IISER Kolkata ( - )
- Deshpande, Aparna V. and Kumar, Uday. 2009. "Effect of higher protonation on lasing performance of Rhodamine-B in sol–gel glasses." Journal of Non-Crystalline Solids, 355, 501-506