1. Organic Chemistry Division; National Chemical Laboratory (CSIR-NCL); Dr. Homi Bhabha Road Pune 411008 India
2. Academy of Scientific and Innovative Research (AcSIR); New Delhi 110020 India
3. Jawaharlal Nehru Centre for Advanced Scientific and Research (JNCASR); Jakkur P.O. Bangaluru 560 064 India
4. Current address: Centre for Nano and Soft Matter Sciences; Jalahalli Bangaluru 560 013 India