Marchers during the 66th Republic Day of India parade, Monday, in New Delhi. Ajay Aggarwal/Hindustan Times/Getty Images

India's Prime Minister Narendra Modi attends India's Republic Day parade in New Delhi, Monday. REUTERS/Jim Bourg

India's Prime Minister Narendra Modi and President Obama watch India's Republic Day parade in New Delhi, Monday. REUTERS/Stephen Crowley/Pool

Indian Army women personnel during the Republic Day parade in New Delhi, Monday. AP Photo /Manish Swarup

India's Prime Minister Narendra Modi and President Obama watch India's Republic Day parade from behind rain streaked bullet proof glass in New Delhi, Monday. REUTERS/Jim Bourg

A military marching band riding camels performs in India's Republic Day parade in New Delhi, Monday. REUTERS/Jim Bourg

India's Border Security Force "Daredevils" motorcycle riders perform during the Republic Day parade in New Delhi, Monday. REUTERS/Ahmad Masood

Indian soldiers during the Republic Day parade in New Delhi, Monday. REUTERS/Adnan Abidi

Border Security Force daredevils perform a motorcycle stunt during the Republic Day parade in New Delhi, Monday. AP Photo /Manish Swarup

Marchers during the 66th Republic Day of India parade, Monday, in New Delhi. Ajay Aggarwal/Hindustan Times/Getty Images

Indian Air Force fighter aircraft jets during the Republic Day parade in New Delhi, Monday. REUTERS/Adnan Abidi

Indian soldiers during the Republic Day parade in New Delhi, Monday. REUTERS/Adnan Abidi

Marchers during the 66th Republic Day of India parade, Monday, in New Delhi. Raj K Raj/Hindustan Times/Getty Images

Indian contingents march during the 66th Republic Day of India parade, Monday, in New Delhi. Sonu Mehta/Hindustan Times/Getty Images

Militiary equipment during the 66th Republic Day of India parade, Monday, in New Delhi. Sonu Mehta/Hindustan Times/Getty Images

U.S. President Barack Obama with Indian Prime Minister Narendra Modi and first lady Michelle Obama depart India’s annual Republic Day parade in New Delhi, Monday. AP Photo/Press Trust of India