UNITED NATIONS, N. Y., Dec. 5—A hundred feet of sidewalk and a dozen police from the 17th Precinct kept the peace today between rival Pakistani demonstrators marching outside the United Nations.

The two groups screamed and shook fists at each other, but the police kept them separated.

One group of demonstrators marched in a circle chanting, “Bangla Desh! Bangla Desh!” —the term that means “Bengal Nation” and that is used by both East Pakistani insurgents and India for East Pakistan.

Occasionally this group threw in an oath or two against President Agha Mohammad Yahya Khan of Pakistan. These demonstrators, who numbered more than 50, said they belonged to the Bangla Desh League of America. According to their president, Kazi Ahmed, a restaurant owner, the league has 200 members and includes students and businessmen.

One man in the pro‐Bangla Desh group was arrested for disorderly conduct.

The rival group consisted of 100 demonstrators sympathetic to the West Pakistani administration of President Yahya Khan. They displayed Pakistan Government's green‐and‐white flag and carried hand‐lettered placards.

“All Pakistan—East and West Together,” was the slogan on one sign carried by a marcher as the group chanted. “Trade Embargo Against India,” said another.

“Long Live China — Thank You, United States,” yelled this group's members, obviously buoyed by the support both powers have given to Pakistan's political position in the Security Council. Looking across the pavement at their rivals, they raised their fists, screaming and jeering: “Indian Agents! Crush India!”

Spokesman for larger group said that it represented a half dozen New York cultural, student and businessmen's organizations that had banded together under the name of the Joint Committee of the Pakistan Community Organization.

The demonstrators dispersed as darkness fell.