U.S. Ambassadors Dean and Raphel warned Washington unconditional support to Pakistan and fundamentalist factions of mujahedin was destabilising the region. The Reagan administration supported India’s active role in connection with Soviet withdrawal, but changed position when Delhi tried to keep extreme fundamentalists from coming to power. Pakistan’s nuclear weapons program was major Indian concern in connection with U.S. aid to Islamabad; New Delhi and Washington consulted closely on arms control, cables show.