1. Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Hyderabad 502284, Telangana, India
2. School of Engineering & Innovation, The Open University, Walton Hall, Milton Keynes MK7 6AA, U.K.
3. Nile Limited, Lot No. 24 A/A, MLA Colony, Road No. 12, Banjara Hills, Hyderabad 500034, India