Pakistani Prime Minister Yusuf Raza Gilani has said his government believes that there is no distinction between a good and a bad Taliban. Talking to a private channel Mr Gilani said that whoever are the militants, Pakistan has to take on those evil forces from the country. Responding to a question, Gilani claimed Al Qaeda leader Osama bin Laden is not in Pakistan and might be dead. Pakistan's prime minister also said he would not tolerate extremists using his country as a base to attack India .He said that Pakistan is seeking more evidence from India against Lashkar-e-Taiba which is suspected in the 2008 siege of Mumbai that left 166 people dead.Later Prime Minister Manmohan Singh and his Pakistani counterpart Yousuf Raza Gilani had a brief interaction during which they are understood to have discussed bilateral relations.Dr Singh and Mr Gilani shook hands and chatted for about five minutes at a reception hosted for the leaders gathered for Nuclear Security Summit in Washington. It was Gilani who walked up to Singh and exchanged pleasantries with him. There was no meeting scheduled between the two leaders.