Engineering company Escort Group's Chairman Rajan Nanda passed away on Sunday at the age of 76 after a brief illness. He was the husband of late superstar Raj Kapoor's daughter Ritu Nanda and the father-in-law of Amitabh Bachchan's daughter Shweta Bachchan-Nanda. Amitabh Bachchan, who was in Bulgaria for a shoot, wrote on his blog that he was leaving for India.