New Delhi, March 17 -- Assam Congress Lok Sabha MP Pradyut Bordoloi tendered his resignation to the AICC President, ending his lifelong association with the Congress party amid allegations of internal mistreatment.

"With an overwhelming sense of sadness today, I hereby tender my resignation from all posts, privileges and the primary membership of the Indian National Congress, " reads his resignation letter.

Pradyut Bordoloi, while speaking to the reporters, said on Tuesday, "Today, I have abandoned one of the most important principles of my life, and I am not happy with it.... However, I made this decision because I was being insulted on many issues by anyone who approached me from within the Congress Party, especially in the Assam Cong...