Swati Jha

Department of Electronics, Banasthali Vidyapith, Rajasthan, India

Meha Sharma

Department of Electronics, Banasthali Vidyapith, Rajasthan, India

H. K. Nirmal

Department of Physics, Banasthali Vidyapith, Rajasthan, India

Pyare Lal

Department of Physics, Banasthali Vidyapith, Rajasthan, India

F. Rahman

Department of Physics, Aligarh Muslim University, Aligarh, U.P., India

P. A. Alvi

Department of Physics, Banasthali Vidyapith, Rajasthan, India