One of the most important days in Indian history took place on May 11, 1998, when India conducted a series of underground nuclear tests. The tests, carried out in Rajasthan’s Pokhran, made India the sixth country in the world to publicly demonstrate nuclear weapons capability read more From left to right, Prime Minister Atal Bihari Vajpayee, Defence Minister George Fernandes, India's 'missile man' APJ Abdul Kalam and Atomic Energy chief R Chidambaram display the victory symbol during a visit to the Shakti 1 test site, where India tested nuclear device in Pokhran. File image/AP Every year, May 11 is celebrated…