Ambrish Kumar Srivastava is Assistant Professor of Physics at Deen Dayal Upadhyaya Gorakhpur University in Gorakhpur, India. He received a Junior Research Fellowship from CSIR, India. Having obtained his academic degrees from the University of Lucknow, he got a National Postdoctoral Fellowship from SERB, DST, India. Dr. Srivastava has authored over 150 scientific publications including 1 au...