MOSCOW, Nov. 15— The Soviet Union today backed up reported shipments of arms to India with an appeal to Pakistan to seek the restoration of good‐neighborly relations with India “in the interest of international security.”

An article in the Soviet Government newspaper Izvestia charged that an anti‐Indian campaign was being fanned in Pakistan just when a favorable political atmosphere was needed to achieve a peaceful solution of the East Pakistani refugee problem.

The Izvestia article, titled “The Indian Subcontinent Needs Peace,” was the latest demonstration of a growing swing of official Soviet sentiment in favor of the Indian position in the continuing conflict over the refugees.

Article Appears After Clash

It appeared shortly after reports from India of a serious border clash with Pakistani forces over the weekend in which 135 Pakistani soldiers and a smaller number of Indians were said to have died.

There has been no confirmation of the reports of Soviet arms and aircraft shipments That followed recent high‐level consultations between Moscow and New Delhi. However, the tone of the Soviet press has left little doubt that the Russians were increasingly supporting the Indian stand.

Izvestia said that the influx or East Pakistani refugees, approaching 10 million according to Indian accounts, had imposed a burden on the Indian economy unprecedented in modern history.”

“This has created extraordinary difficulties and forced the Government of India to make significant cuts in appropriations for a number of desirable social‐economic reforms,” the Soviet newspaper added.

It charged that the Pakistani Government's assertions that steps were being taken to regulate the situation in East Pakistan “do not correspond to the actual state of affairs.”

In possible justification for Soviet arms aid to India, the Government newspaper said that a quarter‐million Pakistani troops were massed in West Pakistan along the Indian border.

“The Pakistani authorities are also intensifying their military preparations in East Pakistan,” the article added.

The West Pakistani army was ordered into action against the Bengali insurgents in March. after talks between the West Pakistanis and the East Pakistani insurgents had broken down. The fighting and repression that followed set off the flow of refugees into India.