- Exploring parity-time symmetric quadrimer waveguides (N-type) in nonlinear regime, Second National Symposium on Nonlinear and Complex Phenomena (NSNCP-2015),” 26-28 March, 2015, IASST Guwahati, Gauhati University.
- Periodic optical rogue waves in a parity-time symmetric Bragg grating structure, International Conference on Light (OPTICS-2014), 19-21 March, 2014, NIT Calicut, organized by National Institute of Technology Calicut, India.
- Study of PT-symmetric three coupled waveguides system, XXXVII National Symposium of optical Society of India, OSI 2013, 23-25 Jan. 2013, Pondicherry University, India.
- PT symmetreic coupled three waveguides system, 1st IIT G OSA Student Chapter Workshop on Optics, 15-17 November, 2012, IIT Guwahati, Assam, India.
- Dynamics of interaction of Peregrine solitons in the continuous nonlocal Schrodinger system with parity-time symmetry, Progress in Quantum Physics with Non-Hermitian Operators (PHHQP16), 08-12 August, 2016, at Yukawa Institute for Theoretical Physics, Kyoto University, Japan.
- Parity-time (PT) symmetric closed-form quadrimer waveguides with focusing and defocusing nonlinearity, International Conference on Optics and Photonics (ICOP-2015), 20-22 February, 2015, the University of Calcutta, organized by the Optical Society of India.
- Peregrine rogue waves in nonlocal PT symmetric nonlinear Schrodinger equation, South Asian Workshop on Optics and Photonics SAWOP-2015 UNESCO New Delhi Office Celebration, 17-18 November 2015, organized by Dept. of Physics, IIT Guwahati, India.
- Parity-time (PT) symmetry in a two-level atomic system with chirped Gaussian optical pulses, International Conference on Light (OPTICS-2014), 19-21 March, 2014, NIT Calicut, organized by National Institute of Technology Calicut, India.
- Parity-time (PT) symmetry in a two-level atomic system with chirped sine optical pulses, International Conference on Optics and Opto-electronics (ICOL-2014), 05-08 March, 2014, IRDE Dehradun, organized by Optical society of India.
- PT symmetric coupled trimer waveguides, National Focused discussion meeting on “Metamaterials and Photonic Nano-structures”, 16-17 August, 2013, IIT Kanpur, jointly organized by IIT Kanpur and IRDE Dehradun, India.