PTI

New Delhi, Dec 28:  As part of stepped-up diplomatic offensive to get Pakistan to act against perpetraors of Mumbai terror attacks, Prime Minister Manmohan Singh on Saturday night spoke to Iranian President Ahmednijad and is understood to have asked him to pressure Islamabad to do more to end cross-border terrorism.

Singh conveyed to Ahmednijad that Pakistan has to take concrete action to stop cross-border terror and by being in denial mode would not help, sources said.

The Prime Minister is understood to have told the Iranian leader that India has so far exercised restraint and asked him to presssure Pakistan to take concrete action against handlers of those who carried out the Mumbai terror attacks last month, they said.

The telephonic conversation between Singh and Ahmednijad came a day after External Affairs Minister Pranab Mukherjee to his Iranian counterpart Manounchehr Mottaki on the issue.

Mukherjee had also spoken to his counterparts from the US, China and Saudi Arabia over phone and told them that India has "ample evidence" about involvement of Pakistan-based elements in the Mumbai strikes and that they should to put pressure on Islamabad to act against them.

During these conversations, Mukherjee emphasised that the Mumbai attacks should not be seen in the context of Indo-Pak relations but as part of global terrorism and the international community should join India in fighting this.

Pakistani Foreign Minister Shah Mehmood Qureshi also spoke on Friday to his Chinese and Iranian counterparts.