Career
As a leftist lawyer, he was a recipient of the Stalin Peace Prize as well as serving on the Russell Tribunal, created by Bertrand Russell for trying American war crimes in Vietnam. He developed a close association with Zulfiqar Bhutto following the latter"s imprisonment in 1968. This in addition to his frustration with the NAP led to his quitting the party.
He played a key role in the formation of Pakistan"s first unanimous constitution in 1973.
He later left the PPP after becoming disillusioned with the increasing brutality with which the government targeted the opposition. After leaving the PPP he joined the opposition Tehrik-e-Istiqlal of Asghar Khan in 1973, remaining associated with that party until his death.