Technology is only advancing day by day and Indians have always made huge contributions to the advancement of Tech with great inventions. So, to mark India's progress in the field of science and technology National Technology Day is celebrated on May 11th annually. The day also marks the anniversary of the Pokhran Nuclear Tests (Operation Shakti) under the leadership of aerospace engineer and President APJ Abdul Kalam. After its successful test, then Prime Minister Atal Bihari Bajpayee coined the term 'National Technology Day'.