1. Department of Chemistry National Institute of Technology Meghalaya Bijni Complex Laitumkhrah, Shillong, Meghalaya 793003 India
2. TCG Lifesciences Limited Block BN, Plot 7, Sector-V Salt Lake, Kolkata, West Bengal 700091 India
3. Department of Chemistry National Institute of Technology Durgapur Mahatma Gandhi Avenue Durgapur, West Bengal 713209 India