"I have only received love and respect from the party and its members and volunteers. And I will be forever grateful for that," he said.

His Facebook came after a lot of speculation over his move and reports that he had quit the party. Initially, he gave vague replies on Twitter without confirming his decision.

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There was no official comment from the AAP on Khetan's decision. In the case of Ashutosh, Chief Minister Arvind Kejriwal did not accept his resignation.

In April, Khetan had resigned as the Vice Chairman of the Delhi Dialogue and Development Commission (DDC) to join the Bar and practice commercial law.

"I've also taken up legal causes in the larger public interest and will continue to do so. Besides practising law, I'm also keen to return to writing," he said.

He sought to quell rumours that his decision was in any way linked to his desire for getting a ticket in the upcoming Lok Sabha elections. He was a candidate in the 2014 election.

"The party had graciously asked me to contest the upcoming Lok Sabha elections, but I had politely turned it down. Contesting one more election would have further entrenched me in the world of politics, something I don't want at this point in time.

"I continue to hold all my ex-party colleagues in high regard and wish them good luck in their future endeavours," he said.