Yes, you can . If you have an ad-blocker and don't mind malware risks, you will find every Bengali movie ever made there for free.
Free with ads, or Premium ~₹499/year. ZEE5 has a robust Bengali section, including: bollyflix bengali movie
While searching for a might seem like the easiest way to catch the latest Tollywood release, the risks far outweigh the rewards. Piracy is illegal, unsafe, and damaging to the film industry. Yes, you can