1. Department of Chemistry, University of Delhi, North Campus, Delhi-110007, India
2. Department of Chemistry, Assam Don Bosco University, Sonapur 782402, India
3. Advanced Computational Chemistry Centre, Cotton University, Panbazar, Guwahati, Assam, India-781001
4. Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India