Guru is a 2007 Indian drama film loosely based on the life of Dhirubhai Ambani, a business magnate who founded Reliance Industries. The film was co-written and directed by Mani Ratnam. It stars Abhishek Bachchan, Aishwarya Rai, R. Madhavan, Vidya Balan, Arya Babbar, Mithun Chakraborty in the leading roles. The film also has Mallika Sherawat in…