Sheikh Mohammed bin Zayed al-Nahyan (C), Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces shakes hands with India's President Pranab Mukherjee (L) during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan presidential palace in New Delhi, India, January 25, 2017. As India's Prime Minister Narendra Modi looks on. REUTERS/Adnan Abidi - RTSX7WC

Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces talks to India's Prime Minister Narendra Modi (R) during a photo opportunity ahead of their meeting at Hyderabad House in New Delhi, India, January 25, 2017.

Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces (C-white headgear) and India's Prime Minister Narendra Modi (C) leave after attending the Republic Day parade in New Delhi, India January 26, 2017. REUTERS/Adnan Abidi

India's President Pranab Mukherjee (2nd L) and India's Prime Minister Narendra Modi (2nd R) welcome Sheikh Mohammed bin Zayed al-Nahyan (C), Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces, during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan presidential palace in New Delhi, India, January 25, 2017. REUTERS/Adnan Abidi - RTSX7VC

File Image: Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces shakes hands with India's Prime Minister Narendra Modi (R) during a photo opportunity ahead of their meeting at Hyderabad House in New Delhi, India, January 25, 2017. Image used for illustrative purpose.

Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces, inspects a guard of honour during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan presidential palace in New Delhi, India, January 25, 2017. REUTERS/Adnan Abidi - RTSX7V1

Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces, inspects a guard of honour during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan presidential palace in New Delhi, India, January 25, 2017.

Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces shakes hands with India's Prime Minister Narendra Modi (R) during a photo opportunity ahead of their meeting at Hyderabad House in New Delhi, India, January 25, 2017.

India's Prime Minister Narendra Modi (R) extends his hand for a handshake with Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces during a photo opportunity ahead of their meeting at Hyderabad House in New Delhi, India, January 25, 2017. REUTERS/Adnan Abidi - RTSX8C1

Sheikh Mohammed bin Zayed al-Nahyan (C), Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces shakes hands with India's Prime Minister Narendra Modi (R) during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan presidential palace in New Delhi, India, January 25, 2017. India's President Pranab Mukherjee looks on.

Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces, inspects a guard of honour during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan presidential palace in New Delhi, India, January 25, 2017. REUTERS/Adnan Abidi - RTSX7UV

Sheikh Mohammed bin Zayed al-Nahyan (L), Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces, shakes hands with India's Prime Minister Narendra Modi during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan presidential palace in New Delhi, India, January 25, 2017. REUTERS/Adnan Abid

Sheikh Mohammed bin Zayed al-Nahyan (C), Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces interacts with media after a photo opportunity ahead of a meeting with India's Prime Minister Narendra Modi at Hyderabad House in New Delhi, India, January 25, 2017. REUTERS/Adnan Abidi - RTSX89Z

Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces, and India's Prime Minister Narendra Modi (L) arrive for a photo opportunity ahead of their meeting at Hyderabad House in New Delhi, India, January 25, 2017.