Iran on Friday invited India's Prime Minister Manmohan Singh and Pakistan President Pervez Musharraf to Tehran for signing a tri-nation deal on natural gas, supply of which could start from 2011.
India's Petroleum Minister Murli Deora will meet his Pakistani counterpart to finalise the remaining bilateral issues before the heads of the three nations meet in Tehran for signing the deal.
The meeting may take place by July end or August, Special Representative of Iranian Petroleum Minister H.Ghanimi Fard told reporters after meeting Deora in New Delhi.