He was 94 and is survived by son Qurban Ali and two daughters.
"He will be laid to rest later this evening at Qila Road graveyard," a family member said.
An alumnus of Aligarh Muslim University (AMU), Ali had joined the British Indian Army in 1939, shortly before the outbreak of World War II. In 1945, when Subhash Chandra Bose raised the banner of armed revolt, Abbas left the British army and joined the INA.
Abbas Ali joined politics under the influence of socialist party leaders including Ram Manohar Lohia, Acharya Narendra Dev and Jai Prakash Narain.
In 1966, he was appointed State General Secretary of Sanyukt Socialist Party. He was appointed as a member of the national executive of the Socialist Party.
He was arrested again during the national Emergency under the Defence of India Rule (DIR) and remained behind bars during the entire period of emergency.
Shortly before his death, while attending a public function at Aligarh on the eve of 15th August, Captain Ali had said, "There is only one unfulfilled wish of my life and that is that the true story behind the last few days of my leader Subhash Chandra Bose should see the light of the day.
"West Bengal Chief Minister, Mamta Banerjee has assured me that she will leave no stone unturned to unravel the mystery behind his death", he had said.
