There were three contestants, all from Punjab -- Vipul Mehta, Devendra Pal Singh and Amit Kumar -- in the fray during the finale.
Vipul walked away with a cash prize of Rs 50 lakh, a Nissam Micra car, and a Suzuki Hayate bike.
Vipul, who learnt Indian classical music from the age of eight and is a mass communication graduate, wants to make a career in sound engineering.
He was a finalist in another singing reality show `Voice of India' (season 2).
Filmmaker Madhur Bhandarkar and actress Kareena Kapoor were present for the the final to promote their upcoming film `Heroine'.
Indian Idol season 6 was judged by Asha Bhosle, Anu Malik, Salim Merchant and Sunidhi Chauhan.