Gurpreet Kaur (Laal's mother)
Events in India's history — from the Emergency and the famous Cricket World Cup win to the Punjab riots — unfold from the perspective of an innocent Sikh man Laal Singh Chaddha, a person with a low IQ but high optimism. Laal is able to achieve everything under the sun but his childhood love continues to elude him.
Shivani
The lives of a couple turn into a nightmare, as dark forces lie in wait beneath the shadows of the haunted bungalow in which they have decided to stay.
Hameeda (Aslam's Wife)
Aslam (Adil Hussain), a villager who runs a small business, accidentally meets the prime minister of India, who grants him special security on his request. Soon, he starts chasing political ambitions.
Mumbai-based Ramvilas Sharma has just broken-up with Sanjana Mahadik, a former bar dancer, with whom he had a six month relationship. His private-detective friend, Nandan Pandey, attempts to counsel him over this break-up, and even encourages him to meet other women. Ramvilas does meet with a homeless woman, Koel Datta, befriends her, and even brings her to spend the night in his flat but will be interrupted when Sanjana will come to take her belongings back and will leave a bag full of cash. Everyone will find their respective lives turned upside when they will be 'interrogated' by a suave French-speaking crook, Lucky Sardana, after the bag goes missing.
Mona
大学時代親友同士だったファランとラージューは、ある日同窓のチャトルから母校に呼び出される。チャトルは二人に、ランチョーというかつての学友の消息がつかめたことを話し、探しに行こうと持ちかけるのだった。 10年前、インド屈指の難関工科大学ICE(Imperial College of Engineering)。それぞれに家庭の期待を受けて入学してきたファランとラージュー、そして自由奔放な天才ランチョーの三人は寮でルームメイトとなる。何をするにも一緒の3人はしばしばバカ騒ぎをやらかし、学長や秀才だったチャトル等から"3 idiots"(三バカ)と呼ばれ目の敵にされていた。 物語は10年前の大学におけるエピソードと現代のランチョーを探す3人の旅を織り交ぜながら、やがてファラン達も知らなかった彼の秘密に迫っていく。