The Supreme Court Friday refused to entertain a plea seeking direction for investigation by an independent probe agency like the CBI into the March 10 incident where West Bengal Chief Minister Mamata Banerjee had sustained leg injury after an alleged attack on her in Nandigram. You go to the Calcutta High Court, a bench headed by Chief Justice S A Bobde told the counsel appearing for the petitioners. The bench, also comprising Justices A S Bopanna and V Ramasubramanian, allowed the petitioners' lawyer to withdraw the plea with liberty to approach the high court. On March 10, Banerjee had alleged that she was attacked by "four-five men" in Nandigram, injuring her left leg, hours after she filed nomination from the seat where the BJP has pitted her protege-turned-adversary Suvendu Adhikari in the Assembly election.