He was to attend the ministerial meeting of the International North South Transport Corridor.
The meeting assumes significance as the US has imposed sanctions on the Persian Gulf country.
After the meeting of the two ministers, Prabhu tweeted: "Our discussions were centered on expanding bilateral ties between India and Iran beyond the energy and security sector."
Federation of Indian Export Organisations (FIEO) President Ganesh Gupta had recently said the government needs to look into the problems being faced by exporters shipping consignments to Iran in view of the US sanctions.
Bilateral trade between India and Iran increased to USD 13.8 billion in 2017-18 from USD 12.9 billion in the previous fiscal. However, India's exports goods worth only USD 2.65 billion to that country, while the imports stood at USD 11.11 billion.
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