New Delhi, Dec. 16 -- West Bengal Sports Minister and senior TMC leader Aroop Biswas has offered to resign on Tuesday after Lionel Messi's GOAT India tour in Kolkata turned chaotic on December 13. Biswas, who drew massive flak over the mismanagement at Salt Lake Stadium, said in the handwritten letter that he was resigning to ensure a "free and fair investigation" into the incident.

In a Facebook post, TMC spokesperson Kunal Ghosh shared an image which he described as a copy of the resignation letter, seeking to be relieved from the state minister's post.

However, the letter shared by the TMC leader was not on Biswas's official letterhead, raising questions in political circles over its formal status, news agency PTI reported.

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