New Delhi/IBNS, Aug. 5 -- Trinamool Congress MP Kalyan Banerjee has hit out at party supremo Mamata Banerjee after the former was held responsible for the "lack of coordination" in the Lok Sabha and resigned as the chief whip in the lower house of Parliament.

Kalyan vented out against Mamata after the latter appointed her nephew Abhishek Banerjee as the Lok Sabha floor leader.

Kalyan said his resignation stemmed from Mamata's "lack of coordination" blame.

Kalyan also spoke against the party supremo over inaction against firebrand parliamentarian Mahua Moitra, who called him "pig" and "sexually frustrated" in a recent podcast.

"Didi claimed she was not consulted before finalising the list of speakers in the Lok Sabha. But it's untrue. ...