Hello, Rajen Kumar is my given name. Ganesh and Renu are my parents' first names thus I write Ganeshrenu beside mine to symbolise that they will always be with me.
Home Town: Jhajha
Google Scholar: Rajen Kumar
email: dr.rajen.iit@gmail.com (prefer this), rk37@iitbbs.ac.in, rajen_2021ma04@iitp.ac.in, rajenk@iitk.ac.in
Research gate: Rajen Kumar
Orcid Id: 0000-0003-2100-6447
Linked In: Rajen Kumar