1. Advanced Polymer LaboratoryDepartment of Polymer Science and TechnologyGovernment College of Engineering and Leather Technology (Post Graduate)Maulana Abul Kalam Azad University of Technology Salt Lake City Kolkata 700106 West Bengal India
2. Department of Leather TechnologyGovernment College of Engineering and Leather Technology (Post Graduate)Maulana Abul Kalam Azad University of Technology Salt Lake City Kolkata 700106 West Bengal India
3. Division of Molecular MedicineBose Institute P‐1/12, CIT Scheme VII M Kolkata 700054 West Bengal India
4. Department of ChemistryGovernment College of Engineering and Leather Technology (Post Graduate)Maulana Abul Kalam Azad University of Technology Salt Lake City Kolkata 700106 West Bengal India