1. Bimetallic Catalysis Lab, Advanced Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, Assam 785006, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
3. Presently at Dhemaji Engineering College, Dhemaji, Assam 787057, India