I'm assuming you're referring to the popular dance reality show "India's Best Dancer" (also known as "Indian Idol" is a singing reality show and "Best Dancer" specifically focuses on Dance).
If you're looking for a specific episode, I can guide you on how to access it:
The show "India's Best Dancer" Season 4 was aired on Sony Entertainment Television, and it was hosted by Ranvir Shorey. The contestants competed against each other to win the title of India's Best Dancer.