The show had started with 86 contestants from across India.
10-year-old Anjana Padmanabhan from Bengaluru was crowned as the winner by megastar Amitabh Bachchan.
Anjana, the first Indian Idol Junior, received prize money of Rs 25 lakh from Sony Entertainment Television, a Nissan Micra Car, a fixed deposit of Rs five lakhs from Kotak and Rs two Lakh from Horlicks.
"Although we were competing against each other, we were like a family filled with unique characters and had our moments of joy and sorrow. I am thrilled," Anjana Padmanabhan said in a statement here.