Shabir Ahmad Akhoon

Department of Physics, National Institute of Technology, Srinagar, Kashmir, India

Ashaq Hussain Sofi

Department of Physics, National Institute of Technology, Srinagar, Kashmir, India

Anil Maini

Department of Applied Sciences, College of Engineering and Technology, BGSB University, Rajouri, India

Asloob Ahmad Rather

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