1. Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune-4110 08, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201 002, India
3. Physical and Materials Chemistry Division, National Chemical Laboratory (CSIR-NCL), Pune-4110 08, India
4. Sacred Heart College, Kochi-682 013, Kerala, India