Indian Home Minister P. Chidambaram has said that relations between Pakistan and India could not improve till the perpetrators of Mumbai attacks were not brought to justice. Talking to a delegation of Pakistani journalists in New Delhi on Wednesday, he said that all evidences regarding Mumbai attacks had been handed over to Pakistan. He said despite handing over the evidences, Pakistan has not yet taken any action against the people involved in the attacks. He reiterated Indias allegation of cross border infiltration in occupied Kashmir.