1. Smart Materials Laboratory, Department of Chemistry , Dr BR Ambedkar National Institute of Technology , Jalandhar 144011 , Punjab , India
2. Radiation Research Laboratory, Department of Physics , Dr BR Ambedkar National Institute of Technology , Jalandhar 144011 , Punjab , India
3. Department of Botanical and Environmental Sciences , Guru Nanak Dev University , Amritsar 143005 , Punjab , India