New Delhi

Senior Congress leader Ghulam Nabi Azad in a letter to Congress President Sonia Gandhi on Friday resigned from all positions of the Congress party including the primary membership of the party.

"The Indian National Congress has lost both the will and the ability under the tutelage of the coterie that runs the AICC to fight for what is right for India," wrote Azad in his resignation letter to Sonia Gandhi.

"It is therefore with great regret and an extremely leaden heart that I have decided to sever my half-a century-old association with the Indian National Congress," wrote Azad in a 5-page resignation letter.

This latest high-profile exit from the Congress party comes after the polls for the Congress President were deferred.

Azad's resignation follows a series of exits of senior leaders from the party, including Jyotiraditya Scindia, Jaiveer Shergil, Jitin Prasada, amongst others.

It has come just weeks after Azad resigned from the post of Chairman of the Jammu and Kashmir Congress campaign committee, only hours after he was given the appointment.

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Ghulam Nabi Azad is one of the group of 23 leaders who were vocal about a leadership change in the Congress and not being dependent on the Gandhi family for every major decision of the party.