Iran denies seeking nuclear weapons and says it has no plans to build nuclear-capable missiles.
Iranian Supreme Leader Ayatollah Ali Khamenei has said Tehran will stick to the agreement as long as the other signatories do, but will "shred" the deal if Washington pulls out, as Trump has threatened to do.
Yukiya Amano, the director-general of the International Atomic Energy Agency (IAEA), "will focus on the IAEA's verification and monitoring of Iran's implementation" of the 2015 accord, the IAEA said on October 25.
Also, in a meeting with Amano on Sunday, Iranian Foreign Minister Mohammad Javad Zarif emphasized that all parties to the nuclear deal must remain committed to it.
Amano has already said the accord subjects Iran to the world's toughest nuclear inspection regime.
"Since January 2016, the IAEA has been monitoring and verifying the nuclear-related commitments made by Iran under the JCPOA".
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The ATS however has mentioned only a Jewish synagogue during its investigations and no Hindu religious heads, as Rupani alleged. The Gujarat Anti-Terrorism Squad arrested two suspected ISIS operatives Kasim Timberwala and Aabed Mirza on October 25.
The visit comes as US President Donald Trump, in a major confrontational stance against Iran, refused to certify the multilateral deal on Tehran's peaceful nuclear program.
Today, based on joint efforts made by Iran and the IAEA, the agency can declare that the Islamic Republic has fulfilled all its obligations under global regulations and the deal, Amano said. So far the agency has released eight reports each time confirming Iran's adherence to the worldwide nuclear pact.
Trump had repeatedly lambasted the agreement as the "stupidest" and "one of the worst and most one-sided transactions the United States has ever entered into".
A country that has signed an worldwide and multilateral agreement does not have the right to deal with it in whatever way it likes, Rouhani said, referring to the US administration's treatment and interpretation of the deal.
"To defend our nation and territorial integrity, we will build all the weapons we will need", Hassan Rouhani told parliament in statements broadcast on state television. "And if there is any violation of the United States's commitments, we will react strongly".