H9G6+C8F, Madan Mohan Sen St, Behind Ph.D Section, Calcutta University, College Square West, Calcutta University, College Square, Kolkata, West Bengal 700073, India
8CVX+M53, Khagrabari Chowpatty Siliguri Road Punjab National Bank of India ( Madhupurdham Branch) Building, Khagrabari, Cooch Behar, West Bengal 736179, India