Recently Reliance Group has completed 40 years of its existence and on this occasion, many celebs of Bollywood and others came together to celebrate. The celebration was hosted by Reliance group chief Mukesh and Nita Ambani. Some of the popular celebrities like Amitabh Bachchan, Shah Rukh Khan, Ranbir Kapoor and Sonu Nigam were present on the occasion. Bollywood Mega Star Amitabh Bachchan, while addressing the gathering of nearly 80,000 plus people, has revealed some of the hard days of his existence and opened up sharing a heart touching memory with late Mr. Dhirubhai Ambani. Big B's emotional revelation touched the hearts of everyone on the occasion and it is Mukesh Ambani, who broke down shedding tears.