1Dept. of Post Graduate Studies and Research in Physics and Electronics, Rani Durgavati University, Jabalpur-482001, (India)
2Gyan Ganga Institute of Technology and Sciences, Jabalpur
*Corresponding Address: Ms. Kirti Vishwakarma, Deptt. of Physics, Gyan Ganga Instt. of Tech. and Sciences, Jabalpur-482003 (M.P.), India. E-mail: ksharmaop@yahoo.com, opkirti@gmail.com
