1. Chemical & Material Sciences Division, CSIR-Indian Institute of Petroleum, Haridwar Road, Mohkampur, Dehradun-248005, India
2. Academy of Scientific and Innovative Research, Ghaziabad-201002, India
3. Process Engineering Technology Transfer Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India
4. Director, CSIR-Indian Institute of Petroleum, Mohkampur, Dehradun-248004, India