However, if you meant a — for example, from a Bengali film itself — there is a famous romantic duet "I Love You" from the 2014 Bengali movie Borbaad , starring Bonny Sengupta and Rittika Sen, sung by Arijit Singh and Samidh Rishi .
It sounds like you're looking for the Bengali version of the song from the Bollywood movie Bodyguard (2011), originally sung by Ash King and Clinton Cerejo . i love you movie song bengali
The Bengali cover/version is often titled (আমি তোমাকে ভালোবাসি) or directly "I Love You" in Bengali script, performed by various artists on YouTube and local music platforms. One popular rendition is by Shayamal Chakraborty or covers by Arindom and other independent Bengali singers. However, if you meant a — for example,