He is a music director of Bengali feature films and television.

Akassh Sen not only composes music for Indian films, but also composes music for the Bangladeshi films and albums as well.

[5] One of his most popular and prominent music composition is "Kotobar Bojhabo Bol" from the film "Angaar" in the voice of Mohammad Irfan.

In 2023, he composed the soundtrack of the highest grossing Bangladeshi film of all time Priyotoma, starring Shakib Khan and Idhika Paul.

It received massive response from audience and one of his song named "O Priyotoma" has crossed over 100 million views on YouTube in just three months.