Partner) is a 2002 Indian Bengali-language musical romantic drama film co-written and directed by Haranath Chakraborty.

[3] The soundtrack and background score was composed by S. P. Venkatesh, while V. Prabhakar handled the cinematography and editing was finished by Swapan Guha.

The film follows the tragic journey of Bijoy Ray, a struggling singer, who comes to Kolkata to find his love Sonali, being released from jail after five years due to false accusations of carrying firearms.

He comes to Kolkata on the call of a musical tycoon but when he finally arrives at his home Bijoy is shocked to find his mentor dead.

Things come to a standstill when Bijoy accidentally pushes Sonali from the stairs of her college during a fight with goons and she becomes blind.

Then begins his series of sacrifices and love, he helps the financially strained Sonali and her grandmother by giving their rent.

He brings the duo to their mess when their landlord expels them and finally, he sells the precious ring (Bijoy's mother's gift) to allocate the fees and cost required for Sonali's eye treatment.

[4] After the successful venture Pratibad (2001), Haranath Chakraborty initially approached Prosenjit Chatterjee to play Bijoy in Sathi making their 8th collaboration.

Priyanka Trivedi was selected to play opposite Jeet and Ranjit Mallick was signed for another pivotal role marking his 12th collaboration with Haranath Chakraborty.