Formerly UGC Research Professor, Department of Physics & Astrophysics, University of Delhi, India Google Scholar More about the auther
18.01.081.20231101
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Formerly with NRS Medical College and Hospital, Kolkata, India Google Scholar More about the auther
Formerly with Department of Physics, A. R. S. D. College, University of Delhi, New Delhi, India Google Scholar More about the auther
18.01.169/20200804
10.25215/0804.169