1. Catalysis and Inorganic Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
3. Atomic and Molecular Physics Division, Bhabha Atomic Research Centre (BARC), Mumbai 400085, India
4. Physical and Materials Chemistry Division and Central NMR Facility, CSIR-National Chemical Laboratory, Dr.Homi Bhabha Road, Pune 411008, India