Black mail movie song

You're referring to the song from the 2007 Bollywood movie "Blackmail"!

The song you're probably thinking of is "Tera Mera Rishta" sung by Kailash Kher and Shreya Ghoshal. It's a romantic track that features the lead actors, Irrfan Khan and Antara Mali, in a beautiful and intimate setting.

Here's the song for you to enjoy:

Tera Mera Rishta - Blackmail (2007)

If you'd like to explore more songs from the movie, I can help you with that too!