Imran followed the footsteps of the national selection committee, headed by chief selector Islahuddin Siddiqui, which also resigned from their posts after Pakistan failed to qualify for the 2016 Rio Olympics.
There were also unconfirmed reports from Brussels where Pakistan failed to qualify for the Rio Olympic games that head coach and manager, Shahnaz Sheikh had also tendered his resignation.
"Players were given all the necessary facilities but they failed to perform," he said, adding that it is time to allow youngsters to come forward and play their role.
Prime Minister Nawaz Sharif expressed concern at the hockey team's performance and PHF affairs after Pakistan were beaten by Ireland and squandered their last opportunity to play in the Olympics.
The spate of resignations appear to have been triggered by the formation of a five-member inquiry committee by the Prime Minister who has given the committee a week to submit a preliminary report with strong indications that an ad-hoc committee will be appointed to run hockey affairs.
The committee that includes former hockey heavyweights Colonel Mudassar Asghar, Shahbaz Ahmed and Khawaja Junaid and is headed by the secretary sports Ejaz Chaudhary will hold its first meeting on Monday.
