1. Tribhuvan University,Department of Physics,Kathmandu,Nepal
2. Amrit Campus Tribhuvan University,Department of Physics,Kathmandu,Nepal
3. Institute of Engineering, Tribhuvan University,Department of Applied Science and Chemical Engineering,Kathmandu,Nepal
4. South 13735 Beamer Rd, Houston,Department of Physics San Jacinto College,Texas,TX,USA,77089
5. Herald College Kathmandu Gyaneshwor,Kathmandu,Nepal