The International Atomic Energy Agency (IAEA) chief Rafael Grossi confirmed Tuesday that the agency was seeking "common ground" with Iran.

In a joint press conference with the Head of Atomic Energy Organization of Iran, Mohammad Eslami, Grossi announced that "work has been intense since the morning."

"We are multiplying our efforts with a view to conclude our exchanges today," he added.

IAEA chief Rafael Grossi made the remarks following talks with officials in Tehran ahead of the November 29 negotiations aimed at resuming the 2015 Vienna talks.

His visit comes after the IAEA said Iran had increased its stockpile of highly enriched uranium.

For his part, Eslami said that Grossi has "repeatedly stated today that he has not seen any deviations in Iran's nuclear program and that Iran is pursuing its nuclear activities in accordance with treaties and regulations."

The Head of Atomic Energy Organization of Iran stressed that his country is "determined in its nuclear program" and the International Atomic Energy Agency will help Iran in this regard."

"The whole issue between Iran and the IAEA is a technical one, and the latter does not take into account or be influenced by the political issues and conspiracy theories of Iran's enemies in advancing Iran's nuclear program," he revealed.

Ali Bagheri Kani, Iran's Deputy Foreign Minister for Political Affairs had confirmed that the Iranian negotiating team's main focus is to lift the "unlawful and unjust" sanctions imposed on Iranian people.

Bagheri Kani said the new round of negotiations in Vienna will not discuss Iran's nuclear program.