Rita Bhatta, Kathmandu University, Department of Chemical Science and Engineering, Dhulikhel, Nepal and Shrija TULADHAR, Dikshya REGMI, Smriti GURUNG, Rajendra JOSHI, Bed Mani DAHAL, Nani RAUT, Kumud Raj KAFLE, Rabindra KAYASTHA, Archana PRASAD, Lekhendra TRIPATHEE, Chhatra Mani SHARMA