Shooting was done in more than 40 degrees temperature and in scorching heat at Calcutta, India.
Saswata Chatterjee, Ritwick Chakraborty, and Rahul Banerjee - all of them have played the role of Ajit in Byomkesh Bakshi movies.
Based on the detective novella "Rin" by Bengali writer Shirshendu Mukhopadhyay.
Santu Mukherjee (as Madhu Bagchi, the jewellery shop owner) is the real life father of Swastika Mukherjee (as Mitali Ghosh).