Special to the New York Times

CALCUTTA, India, March 29--Private efforts were underway here today to organize groups of Indian volunteers to cross the border into embattled East Pakistan to aid "liberation forces" in resisting the Pakistan Army.

Meanwhile, small groups of Indian youths were reported to have crossed into East Pakistan over the weekend carrying newspapers voicing support for the Bengalis of East Pakistan, many of whom have relatives in the Indian state of West Bengal.

Medical students and political science students from Calcutta University said they were planning to cross the border, about 60 miles East of Calcutta, to serve as medics and nurses for East Pakistani resistance forces.

Workers support East

"We are with them 100 per cent." said one medical student. While there has been no official sanction here for volunteers to cross the border, political leaders in Calcutta have voiced unanimous support for the East Pakistanis in their effort to form an independent nation.

Although there is support for the East Pakistanis in much of India, possibly reflecting Indian hostility to Pakistan, the strong sympathy in West Bengal for the resistance movement stems from the state's language and cultural ties with the Bengalis in East Pakistan.

At dusk this evening thousands of Marxist union members poured from their offices and factories and marched through the streets of Calcutta chanting support for the East Pakistani resistance. They held a mass rally in a midtown square. Yesterday a similar assembly was held by workers belonging to Prime Minister Indira Gandhi's New Congress Party. A general strike in support of the resistance movement has been called for Wednesday by labor unions and leftist political leaders.

Since heavy fighting broke out in East Pakistan late last week, only a few refugees have entered West Bengal. Most rural areas in East Pakistan were reported to be peaceful with villagers organizing to march against the soldiers in the cities.

"There is no need for them [East Pakistanis] to come over," said one newspaper editor here. "They appear to control the countryside and besides they want to resist."

Rather, most of the movement across the border is reported to be in the other direction. Hundreds of youths from Calcutta traveled by bus to the border over the weekend, and several small groups were reported to have crossed into East Pakistan between Indian border checkpoints.

Two reporters from Calcutta traveled about 15 miles into East Pakistan Sunday and reported that long stretches of

cameras and Pakistani currency but no identification said that they had been well received by all the East Pakistanis they met and were invited to come back "anytime."

One of the reporters, Barun Sengupta of The Hindustan Standard, said that he had been told that Pakistani troops in the border area towns of Khulna and Jessore were venturing only down main roads.