DACCA, Pakistan, Aug. 15— Sheik Mujibur Rahman, the political leader of East Pakistan was scheduled to have gone on trial for his life five days ago, but there has been no information on his fate.

No newsmen or outside observers have been permitted access to Sheik Mujib since his arrest nearly five months ago.

During the last decade, Sher Mujib has been the leading exponent of Bengali autonomy within a federated Pakistan, although many of his followers have called for outright secession of East Pakistan.

Last Dec. 7 Sheik Mujib's Awami League scored a sweeping victory in Pakistan's first free election. As a result, the league would have dominated the national legislature and Sheik Mujib presumably would have been named prime minister.

Awami League Suppressed

But following the political turmoil in East Pakistan earlier this year, the national army moved into the province on March 25 to suppress the Awami League and the separatist movement.

Most leaders of the Awami League had sufficient warning either to go underground or to move to India when the army attacked.

Sheik Mujib, however, reportedly chose to remain in his home here and surrendered when troops arrived. He was said to have been taken to West Pakistan and held in military fortresses in remote parts of the North‐West Frontier area.

Government spokesmen said Sheik Mujib had been accused of high treason, among other charges.

The Government has charged that the Awami League planned an armed uprising against it which was quelled by Sheik Mujib's arrest and the suppression of the party. Pakistan's President, Gen. Agha Mohammad Yahya Khan, has told newsmen that Sheik Mujib intended to have him arrested and shot.

Any or all of these charges involve capital offenses and under Pakistani martial law regulations Sheik Mujib could be either hanged or shot.

On Aug. 9 the Government announced that a special military court would begin a secret trial of Sheik Mujib two days later on charges of “waging war against Pakistan.”

Role for Mrs. Gandhi

Political circles in East Pakistan have speculated that Prime Minister Indira Gandhi of India might have a role to play in the trial. According to this line of conjecture, if Mrs. Gandhi were to announce Indian diplomatic recognition of the secessionist state of Bangla Desh, Sheik Mujib could expect the worst at his trial. This, in turn, would probably lead to an all‐out terror campaign on the part of Bangla Desh guerrillas here against high Government officials.

In her independence day speech today, Mrs. Gandhi did not mention Bangla Desh, how ever.

Meanwhile, Pakistan has formally complained to Secretary General Thant of the United Nations about his comments on Sheik Mujib's trial.

On Tuesday, Mr. Thant warned Pakistan that the trial would “inevitably have repercussions outside the borders of Pakistan” and that the trial “is also a matter of extraordinary interest and concern in many quarters, from a humanitarian as well as from a political point of view.”