Mitin Mashi is a 2019 Indian Bengali detective film directed by Arindam Sil, produced by Rupa Datta and presented by Camellia Production Pvt.

The film starring Koel Mallick and Vinay Pathak, is based on the Haatey Matro Tintey Din, a story by the novelist Suchitra Bhattacharya.

Rustam approaches Detective Pragyaparamita Mukherjee aka Mitin Masi to rescue his son, having only 3 days time in hand.

[4][5] The official trailer was released by Camellia Films Production ten days later on 10 September 2019.

[7] The soundtrack is composed by Bickram Ghosh and lyrics by Rajiv Pandey and Sugato Guha.