KARACHI, Pakistan, Aug. 13 —Pakistan's armed forces and police prepared tonight for a threatened wave of attacks by Bengali guerrillas on the 24th anniversary of the independence of Pakistan and India from Britain, which is on Sunday.

While the danger appeared most acute in East Pakistan, where guerrilla bombing has reached major dimensions, trouble and violence In West Pakistan are also feared.

Elaborate security precautions have been adopted at the Intercontinental Hotels in the West Pakistani cities of Rawalpindi, Lahore and Karachi.

Wednesday night a powerful bomb exploded in the Intercontinental Hotel in Dacca, capital of East Pakistan, heavily damaging the building. According to some reports five persons may have been killed and a score injured. Indian territory.

Intercontinental Hotels in Pakistan, the only first‐class hotels in the country, are central meeting places for high Government officials, foreign dignitaries and other important persons.

They are believed to have been selected as targets partly to impress influential foreigners with the military potential of the Bengali separatist guerrillas, known as Mukti Bahini.

“Bombing an Intercontinental Hotel has more propaganda value in Pakistan than blowing up a dozen factories,” one official said.

Religious meetings, Boy Scout processions, flag‐raising ceremonies and other traditions are being observed for National Day. But in a speech prepared for delivery to the nation, President Agha Mohammad Yayha Khan said that Pakistan's National Day was observed under “the shadow of grave events.”

The clandestine rebel transmitter, Bangla Desh Radio, has frequently warned that a campaign of terror would be directed at the Pakistani Army during August. Bangla Desh, or Bengali Nation, is the name given by the rebels to East Pakistan, where the army moved against the provincial autononomy movement last March. The two wings of the country are separated by 1,000 miles of

Americans and certain Europeans are also terrorist targets. English tea planters and factory managers in the East are threatened, and two have been kidnapped and are believed dead. Many English businessmen in the East oppose the Bengali rebels, who have led strikes and agitation against their factories.