1. Department of Natural and Applied Sciences TERI School of Advanced Studies New Delhi India
2. II (MoEF&CC Funded Project), Department of Natural and Applied Sciences TERI School of Advanced Studies New Delhi India
3. Department of Chemistry D.A.V. (PG) College Dehradun India
4. Chief General Manager, Uttarakhand Jal Sansthan, Govt. of Uttarakhand Haldwani India