India will once again demand credible and quick action by Pakistan to bring the perpetrators of Mumbai terror attacks to justice during the talks between Prime Minister Dr Manmohan Singh and his Pakistani counterpart Yousaf Raza Geelani in Thimphu.<br/><br/>Spokesperson of External affairs Ministry ,Vishnu Prakash , told media persons that both the leaders are meeting today on the sidelines of SAARC Summit after customary handshakes at the Summit Banquet on Wednesday evening.<br/><br/>AIR correspondent reports that New Delhi will certainly express its concern over the slow pace of Mumbai attack trial in Pakistan, besides pointing out that JuD chief Hafiz Saeed is roaming freely in Pakistan and whipping up anti-India sentiments.<br/><br/>Earlier, Foreign Minister S.M.Krishna said, he had received the replies to dossiers by Islamabad just before emplaning for Bhutan and is yet to go through them. He said, after detailed study, New Delhi will formulate a response.