Director : R. Balki
Cast : Atul Sharma, Vidya Balan, Jigna Shah, Amitabh Bachchan, Paresh Rawal, Abhishek Bachchan, Chandrakant Taneja, Yogesh Tevatia, Gaurav Bajaj, Arundhati Naag, Taruni Sachdev, Pratik Katare, Nimit Dhaiya, Varun Shukla, Dhruvin Doshi, Karan Bhiwandkar, Sanjay Lafont, Satyajit Sharma, Chiranjit Singh
Auro (Amitabh Bachchan) is an intelligent, witty 13 yr old boy with an extremely rare genetic defect that causes accelerated ageing. He suffers from a progeria like syndrome. Mentally he is 13, very normal, but physically he looks 5 times older. In spite of his condition, Auro is a very happy boy. He lives with his mother Vidya (Vidya Balan), who is a gynaecologist. Amol Arte (Abhishek Bachchan), is young, progressive and a full of ideals, politician. He is out to prove to the world that 'politics' is not a bad word. He is a man with a mission. Auro is Amol's son. Paa is a 'rare' story about a father-son, son-father relationship.