Pakistan launches a March attack in the East after an opposition group, aided by India, proclaims the independent nation of Bangladesh. War erupts between India and Pakistan. Pakistani troops surrender in December, ending the war. India tests a device of up to 15 kilotons. Following India's test, Pakistan's Prime Minister tells a secret meeting of the country's top scientists that Pakistan intends to produce nuclear weapons.
China reportedly provides Pakistan with a bomb design.
1987 Leading Pakistani nuclear scientist Abdul Qadeer Khan says Pakistan has nuclear bomb. India tests the Prithvi missile, which is capable of carrying a nuclear warhead into Pakistan. India and Pakistan refuse to sign the nuclear test-ban treaty. India moves missiles near Pakistani border. March India's Prime Minister Atal Behari Vajpayee.