NSA also said that among India's numerous religious groups, Islam occupies a unique and significant position of pride, with India being home to the second-largest Muslim population in the world.
Former Prime Minister Manmohan Singh on Thursday expressed concern over the kind of atmosphere being created in the country in the name of religion.
Everybody should try to ensure communal harmony in the society and live like a family, Singh said at an Eid Milan function here.
"We all Indians have to defend the country by walking shoulder to shoulder. we have to stay in brotherhood and create an atmosphere that is in accordance with the path shown by our Constitution," he said.
"Whatever atmosphere is being created in the name of religion (in our country), I am reminded of Iqbal's couplet…'Mazhab nahin sikhata aapas mein bair rakhna…'," he added.