Intrinsic degree of coherence of two-qubit states and measures of two-particle quantum correlations
N. Meher, A. S. M. Patoary, Dr. Girish Kulkarni, A. K. Jha, 
Journ. Opt. Soc. Am. B 37, 1224

Measurement of pure states of light in the orbital-angular-momentum basis using nine multipixel image acquisitions
Dr. Girish Kulkarni, S. Karan, A. K. Jha, 
Phys. Rev. Applied  13, 054077

Phase matching in β-barium borate crystals for spontaneous parametric down-conversion
S. Karan, S. Aarav, H. Bharadhwaj, L. Taneja, A. De, , Dr. Girish Kulkarni, N. Meher, A. K. Jha , 
Journal of Optics  22, 083501