Koushani Mukherjee

In 2015, Mukherjee won Miss Beauty of Kolkata.^[5]

Mukherjee began her film career in 2015 with Raj Chakraborty's movie Parbona Ami Chartey Tokey.^[6][7] In 2016, she appeared in Kelor Kirti, a romantic comedy directed by Raja Chanda.^[8][9][10] In Kelor Kirti, she plays a wealthy young woman, Anuskha, who falls in love with a journalist.^[11] In 2017, she was cast in Jio Pagla directed by Ravi Kinnagi.^[12] In 2019 she was signed as the cover for FFACE Fashion Calendar.

In the subsequent years, she acted in a number of romantic comedy films including Hoichoi Unlimited (2018) directed by Aniket Chattopadhyay, Jamai Badal (2019) directed by Ravi Kinagi and Baccha Shoshur (2019). She has collaborated with her fellow-actor Bonny Sengupta multiple times for playing the lead pair in their films. In 2022, she was cast in the drama thriller Antarjaal and adventure comedy Hirokgorer Hire. In the same year, she worked in the Avijit Sen directorial Projapoti, which emerged as the highest grossing film that year.

In 2023, she made her OTT debut with the Zee5 Originals series Abar Proloy directed by Raj Chakraborty. In 2024, Mukherjee made her Dhallywood debut with Dark World. In the following years, she received widespread critical acclaim and commercial success with Bohurupi (2024) and Killbill Society (2025). Bohurupi eventually emerged as the fourth highest grossing Indian Bengali film of all time. Her performance in Bohurupi earned her a Anandalok Puraskar for the Best Actress and a nomination for the Best Actress at the 8th Filmfare Awards Bangla.^[13]

In 2021, she joined Trinamool Congress.^[14][15] She contested in the 2021 West Bengal Legislative Assembly election as a TMC candidate from Krishnanagar Uttar Assembly constituency but finished in second position.^[16][17]