On Thursday, Pakistan insisted it would help India to bring those behind the Mumbai terrorist attacks to justice.

It has taken various measures including the shutdown of extremist websites and suspected militant training camps.

A total of 71 people have been arrested and 124 have been placed under surveillance, having to register their every move with the authorities.

According to Pakistani officials, further investigations looking deeper into the attacks with information provided by archrival India before it is able to persecute the suspects in court.

Islamabad is under pressure to clamp down on Lashkar-e-Taiba, the Pakistan-based militant group that India blames for killing 164 people in its commercial capital in the siege and raising tension between South Asia's nuclear-armed neighbors.