Abhishek Banerjee, national general secretary of the Trinamool Congress and nephew of West Bengal Chief Minister Mamata Banerjee, faces a CID summons on June 1 related to a probe into alleged forged MLA signatures on a nomination letter for the assembly's leader of the opposition. He is separately under investigation in an alleged illegal construction case that prompted a Kolkata Police visit to his residence on May 26. Unverified reports include the exact time and location of the summons and a quoted defiant statement from Banerjee.