The summit had in attendance leaders from more than 50 countries and four international organisations — the European Union, the International Atomic Energy Agency (IAEA), the Interpol, and the UN. India circulated its national progress report on nuclear security measures at the summit.

At the invitation of the Custodian of the Two Holy Mosques His Majesty King Salman bin Abdulaziz Al Saud, Prime Minister of the Republic of India, Narendra Modi paid a two-day official visit to the Kingdom of Saudi Arabia from April 2-3, 2016.