[1] UGC DAE Consortium Sci Res, Elect & Instrumentat Lab, Univ Campus,Khandwa Rd, Indore, Madhya Pradesh, India
[2] Indian Inst Engn Sci & Technol, Dept Phys, Howrah, W Bengal, India
[3] Inst Plasma Res, Plasma Sci, Gandhinagar, Gujarat, India
[4] Devi Ahilya Vishwavidyalaya, Sch Elect, Indore, Madhya Pradesh, India
[5] UGC DAE Consortium Sci Res, Photoelect Spect Lab, Univ Campus,Khandwa Rd, Indore, Madhya Pradesh, India