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.