KARACHI, Pakistan, April 18 —The Governor of East Pakistan, in a radio address tonight, called on absent East Pakistani troops, policemen and civil. servants to return to duty and warned the populace not to harbor what he called “miscreants and fascists” in their homes.

Gov. Tikka Khan also appealed to members of the banned Awami League party to cooperate with the Government. He said food supplies in East. Pakistan were adequate but; called on the people to “insure that the miscreants do not interfere with the movement of food.”

The Governor, an army lieutenant general, spoke in English over the Dacca radio for five minutes. His speech was relayed here and translations into Bengali and Urdu were also broadcast.

The speech aroused particular interest here because there has been no major utterance this month by any of Pakistan's leaders concerning the East Pakistan crisis. The Governor spoke on a note of victory, saying, “Now the miscreants and the fascists have been subdued and peace prevails.”

According to an unofficial transcripition of his address, the Governor said that members of the army, the East, Pakistan Rifles and the police who had “left their places of duty” would be “dealt with in a compassionate manner, taking into account the prevailing conditions,” if they reported to Government authorities.

After broadcasting the speech, the Pakistani radio gave the latest military reports. It said that Pakistani troops had secured Brahmanbaria, an important rail junction on the Indian border east of Dacca, and Meherpur in the Kushtia region, on the western border of East Pakistan.