
While Pakistani investigators have acknowledged that the coordinated attacks were launched and partly planned from its soil, and that the sole surviving attacker was Pakistani, it has denied involvement of any official agency into the attack.
Pakistan, which is keen to resume peace talks, has vowed to take action against militants found guilty of involvement in the Mumbai attacks, and has made some arrests, but India has expressed frustration at the slow pace of progress.
Singh said he had appealed to leaders at the G8 and G5 summits to exert pressure on Pakistan on this matter.