Delegation-level talks between India and Iran is underway at the Hyderabad House here on Saturday.
The Iranian delegation is led by President Hassan Rouhani.
Earlier, President Rouhani called on Prime Minister Modi at the Hyderabad House on Saturday. He is also to meet Sushma Swaraj.
The Iran President inspected a guard of honour at the Rashtrapati Bhawan and briefly met President Ram Nath Kovind, Prime Minister Modi and other government officials.
Later, President Rouhani paid tribute to Mahatma Gandhi at Rajghat.
He arrived in Delhi from Hyderabad on Friday.