External Affairs Spokesperson Raveesh Kumar tweeted -
"Both leaders held substantive & productive discussion on cooperation in trade & investment, energy, connectivity, defence & security & regional issues,"
The two leaders also deliberated on regional situations during their wide-ranging talks.
Here is the joint statemnet issued by MEA-
India-Iran Joint Statement during Visit of the President of Iran to India
Addressing a joint press event with Rouhani, Modi said the visit by the Iranian president shows how the two sides want to deepen cooperation in key areas, including connectivity.
Iranian President Rouhani gifted an animated version of Kalila Wa Demna (Farsi translation of the Panchtantra) and a copy of the Mahabharat in Farsi to PM.
Giving details of their comprehensive talks, Modi said they discussed threats posed by terrorism, drug trafficking and other challenges.
On his part, Rouhani said, "We are determined to combat terrorism and extremism." The Iranian leader also said that regional conflicts must be resolved through diplomacy and political initiatives.
PM Modi also appreciated the way the Iranian leader provided leadership in developing strategically-important Chabahar Port.
Apart from tax pact, the two sides also exchanged instrument to ratify the extradition treaty as well as to simplify visa process.
Earlier, Rouhani was given a ceremonial welcome at Rashtrapati Bhavan. In the morning, External Affairs Minister Sushma Swaraj had called on Rouhani and discussed various issues with him.
(with input from agencies)