Kolkata, Oct. 9 -- West Bengal chief minister Mamata Banerjee attacked Union home minister Amit Shah while cautioning Prime Minister Narendra Modi to not trust Shah always. "You can request the Prime Minister. Don't trust Amit Shah always. One day he will turn out to be a bigger Mir Jafar. Be cautious. Morning shows the day," Banerjee said on Wednesday. She also said that the Special Intensive Revision (SIR), which is likely to be rolled out in West Bengal, was a game plan of Shah. "Their (BJP) leader holds a meeting and then announces that names of a few lakh voters would be deleted from West Bengal. The state has been hit by a natural calamity. The festive season is still continuing. Amidst this, how can SIR be rolled? How can people enro...