Mani Ratnam's 2000 masterpiece, Alaipayuthey, remains a cornerstone of Indian romantic cinema, famously exploring the complexities of love beyond the "happily ever after". For Bengali-speaking audiences, watching this Tamil classic with a Bangla subtitle is a popular way to experience the emotional depth and A.R. Rahman's iconic score. Article: Experiencing Alaipayuthey with Bangla Subtitles
You can often find these files on dedicated subtitle repositories: Alaipayuthey Bangla Subtitle