Arpa earned his Bachelor's degree from University of Calcutta in 2009 and Master's degree from IIT Guwahati in 2011, both in chemistry. He started his Ph.D in chemistry at University of Utah in Fall 2012. In his Ph.D working with Prof. Valeria Molinero, the primary focus was to investigate nucleation and growth of ice, and molecular mechanism of ice-binding proteins. He graduated from University of Utah in December 2018 and joined as postdoctoral researcher in the Voth group at University of Chicago in February 2019. In the Voth group, Arpawill be working on HIV budding and maturation.