In this file photo dated October 15 1997, Queen Elizabeth II attends Indo-British exhibition at Pragati Madan in New Delhi
Photos: PTIIn this photo dated October 13, 1997, Queen Elizabeth II with then President KR Narayan during her ceremonial reception in Delhi
In this Tuesday, October 27, 2009, photo Queen Elizabeth II interacts with then President Pratibha Patil during a ceremonial reception at Windsor Castle in Windsor, UK.
Queen Elizabeth II being greeted by father of Kaushik Basu, former chief economist of World Bank, during her visit to Calcutta in 1961.
Prime Minister Narendra Modi with Queen Elizabeth II in UK
Queen Elizabeth II with former President Pratibha Patil during the latters ceremonial reception at Windsor Castle in Windsor in 2007