Dr Praveen is working as an Assistant Professor at the Indian Association for the Cultivation of Sciences (IACS), Kolkata. He did his PhD from the Department of Physics, Indian Institute of Technology, Delhi, followed by postdoctoral research at ISOM, UPM Madrid, Spain, as a Marie Curie Fellow. He is an Editorial Board of Materials Letters (Elsevier) and Nanotechnology (IOP) Journals. He is also a Chair of Career Development Working Group of Marie Curie Alumni Association (MCAA) and also served as a Chair of Indian Chapter (2017-2021). He is a member of The National Academy of Sciences (NASI), India and Indian National Young Academy of Sciences Academy of Sciences (NASI), India and Indian National Young Academy of Sciences, Fullbright Nehru Professional Excellence Fellowship 2022, MRSI Medal 2021, MCAA", Societal Impact Award (2019), DAE Young Achiever Award (2019), BRICS Young", Scientist Award (2017), INSPIRE Faculty Award (2014), Marie Curie Postdoctoral", Fellowship (2012), etc.