Kevin Frayer / AP
Girls wear traditional clothing as they dance for dignitaries during the main Republic Day parade in New Delhi, India, on Jan. 26, 2012. India is marking it's 63rd Republic Day with parades across the country.
Pradip Dasgupta / Defense Public Relations office via AP
Soldiers march in formation on Rajpath during the main Republic Day parade in New Delhi.
Jaipal Singh / EPA
Members of Jammu and Kashmir police's 'Daredevil' motorcycle stunt team show their skills during Republic Day celebrations in Jammu.
India showcased its military might and cultural heritage on Thursday as the country celebrated its 63rd Republic Day, marking the adoption of the constitution of India and the transition from British colonial rule.
More than 25,000 policemen and paramilitary forces guarded the streets of Delhi, where the main parade took place, the BBC reported. The nuclear capable Agni-IV missile was unveiled during the parade, according to The Times of India.
Separatist groups in Kashmir, which has seen a long insurgency against Indian rule, called for the day to be observed as "Black Day".
Farooq Khan / EPA
Female members of the National Cadet Corps salute while marching in Srinagar, the summer capital of Indian Kashmir.
Dar Yasin / AP
An Indian paramilitary soldier stands guard outside a closed shop during a general strike in Srinagar, Kashmir. Shops and businessest remained closed as separatists called for a general strike to observe the day as "Black Day".
See more images of the preparations for India's Republic Day on PhotoBlog.