The Income-Tax department in Mumbai has issued a summons to TMC leader Saket Gokhale in connection with a tax-evasion probe against him, officials said on Thursday. Gokhale, the national spokesperson of the Trinamool Congress (TMC), posted a copy of the summons issued under section 131(1A) of the Income Tax Act on his Twitter handle. It requires him to appear in person or through his authorised representative before the probe officer at the department's investigation wing office in Mumbai on April 12. Gokhale has been asked to bring along books of accounts and other financial documents.