Pakistan possesses 50-90 nuclear weapons compared to India's 55-115 , says a survey released in Washington on Monday. The survey by aWashington based nuclear watchdog, the Institute for Science and Internatonal Security , also claims that Pakistan has 1,000 -1,250 kilograms of highly enriched uranium 235 enriched to 20 percent or more, India also is believed to possess this material used for making weapon grade nuclear fuel, but the survey does not reveal now much India, however has 300-470 kilograms of plutonium compared to 20- 60 kg of Pakistan.