Mithun completed his B. F. A, College of Arts & Draftsmanship (2011) and M. F. A, Kala Bhavan, Visva Bharti University (2014). He has been a part of various group shows like at Faculty of Fine Arts, M. S University (2013), C. N College of Fine Arts, Ahmedabad (2013), Shimeesha Art Studio (2014), Mirage Art Gallery, Kolkata (2014), Annual Exhibition at Birla Academy Art & Culture, Kolkata (2014), Jaipur Art Summit 3rd Season (2015), Anubhav, Site Art Space (2016), The Ply Gallery, London (2017), Dhi Artspace, Hyderabad (2017), Studio 21, Kolkata (2017) amongst others. Along with being awarded as Inlaks Fine Arts Award (2016), he has also been awarded at Kalikananda College of Art and Design, West Bengal, (2011), All India Fine Arts and Crafts Society (2012) and Annual Birla Academy of Arts and Culture (2013). Mithun has also been a part of various residencies like Space Studios (2017), What about Art? (2017) and Khoj Peers (2015).