That said, here are the most likely scenarios and a review based on them:
(unofficial, on YouTube/Instagram):
The song most closely matching the lyrics "Tune Kya Kiya" is . saathiya tune kya kiya song latest
Several independent artists and music labels have released modern covers of "Tune O Rangeelay" and the song "Saathiya" in the last 12 months. That said, here are the most likely scenarios