Synopsis
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.
Cast

Aamir Khan
Laal Singh Chaddha

Kareena Kapoor Khan
Rupa D'Souza

Naga Chaitanya Akkineni
Balaraju Bodi

Mona Singh
Gurpreet Kaur (Laal's mother)

Manav Vij
Mohammad bhai

Kamini Kaushal
Old lady on train
Ahmad Ibn Umar
Young Laal
Hafsa Ashraf
Young Rupa
Gitikka Ganju Dhar
Manjeet maasi

Rohaan Singh
Aman Chaddha

Shah Rukh Khan
Shah Rukh Khan
Aarya Sharma
Lady in train

Nazneen Madan
Lady in train

Arun Bali
Sardarji in train

Jagat Rawat
School Principal
Harry Parmar
Abbas Haji

Shrikant Verma
Sports coach
Guneet Singh Sodhi
Harry (Rupa's boyfriend)

Shiv Panditt
Captain Sandeep
Yuri Suri
Commanding officer
Sowmyashree Belur
Bala's wife

Karim Hajee
Gurfateh Singh
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