Kolkatay Kohinoor

Kolkatay Kohinoor (2019, English: Kohinoor in Kolkata) is an Indian Bengali thriller movie directed by Santanu Ghosh and produced by Angurbala Films It was released on 15 March 2019.
Plot.
There is some mystery and new historical facts behind the famous Koh-i-Noor diamond. Historians research whether it had any connection with Kolkata. A treasure hunt reveals several unknown facts.