Paramilitary and Delhi Police commandos would also be deployed to secure the area.
Dog squads and bomb disposal squads will sanitise the venue in advance.
The dignitaries who would be present are Pakistani Prime Minister Nawaz Sharif, Sri Lankan President Mahinda Rajapaksa, Afghan President Hamid Karzai, Bhutanese Prime Minister Tshering Tobgay, Nepali Prime Minister Sushil Koirala and Maldivian President Abdulla Yameen Abdul Gayoom.
Bangladesh will be represented by Speaker Shirin Chaudhury while Mauritius Prime Minister Navinchandra Ramgoolam will also be present.
The security agencies are on high alert especially in the wake of the terror attack on the Indian Consulate in Afghanistan's Herat province Friday morning.
