A day after Delhi Chief Minister and AAP chief Arvind Kejriwal apologised to former Punjab minister Bikram Singh Majithia for alleging that the latter was involved in drug trade, Punjab’s top leader Bhagwant Mann resigned from the state president's post.

Mann said that his "fight against drug mafia and corruption will continue".

"I'm resigning as a president of AAP Punjab... But my fight against drug mafia and all kind of corruption in Punjab will continue as an 'Aam Aadmi' (common man) of Punjab," Mann tweeted.

Mann represents the Sangrur parliamentary constituency in the Lok Sabha.

He was appointed the state party chief in May 2017.

Majithia had filed a defamation case against Kejriwal and others following the allegation made during campaigning in the Punjab Assembly elections.

In his apology, Kejriwal said he had learnt that his allegations were unfounded.

Leader of Opposition Sukhpal Singh Khaira said, “All of us in Punjab are not very happy with Kejriwal ji apologise to Majithia. Strong evidences against Majithia have been submitted by the Special Task Force (STF) of the state government in the Punjab and Haryana High Court. We MLAs are going to discuss the issue.”