Your query mentions "(360 640)". This likely refers to the resolution (360p), which was a standard mobile and web viewing resolution in 2011. While the original was released in this format, newer uploads on YouTube and Facebook are now available in higher HD (720p or 1080p) quality.
Features actors Antu Kareem and Shaina Amin . Release Year: 2011. Where to Watch and Listen Your query mentions "(360 640)"
The song you are looking for is titled (often referred to as "Ek Jibone Eto Prem"). It is a popular Bengali romantic song released in 2011 by singers Shahid and Subhamita Banerjee . Key Song Details Song Title: Ek Jibon (এক জীবন). Album: Nilambori. Artists: Shahid (Syed Shahid) and Subhamita Banerjee. Music/Composition: Arfin Rumey. Features actors Antu Kareem and Shaina Amin
A version matching your 2011 description is hosted on Dailymotion . It is a popular Bengali romantic song released