India’s 66th Republic Day celebrations – 2015.

Celebrations: Prime Minister Narendra Modi and US President Barack Obama wave to the cheering crowds behind President Pranab Mukherjee at the 66th Republic Day celebrations at Rajpath

President Obama's visit is a diplomatic coup for Prime Minister Narendra Modi, who hopes to strengthen ties with the USA

The Indian Air force women contingent march for the first time during the Republic Day parades

The camel contingent of the Indian Border Security Force march in full ceremonial uniform

A float of the state of Maharashtra takes part in the colourful celebrations for Republic Day

The float representing the state of Assam. Each state represented the local culture using traditional symbolism

Indian Border Security Force (BSF) motorcycle specialists perform during the Indian Republic Day parade

Indian artists from the state of Andhra Pradesh perform during parade

India’s military might on display and the equipment that was exhibited at Rajpath signifies a slow and steady shift in the country’s growing arsenal

Spectators: BJP president Amit Shah (centre) and Congress president Sonia Gandhi (right) were among the leaders who attended the event

Illuminated: Raisina Hill lights up as the spectacular Republic Day celebrations draw to a close

The illuminated Rashtrapati Bhavan, the presidential palace, is seen before President Barack Obama and first lady Michelle Obama and President Pranab Mukherjee participate in a state dinner