What are the unbelievable stories of Intelligence Agencies in the world?

It is a testimony to the secrecy maintained by India's intelligence agency RAW that there is so less concrete information available on the web about its operations. This is the story of a spy appointed RAW in Pakistan. Ravinder Kaushik, referred as Black Tiger. He was born in India and was a famous theater artist and displayed his talent at a national level dramatic meet, which was witnessed by some officials of the RAW. He was contacted and offered a job for being an undercover agent of India in Pakistan. At the age of 23,he was sent to Pakistan on a mission. Ravinder Kaushik was recruited by RAW and was given extensive training in Delhi for two years. Sunnat (circumcision) was performed on him to show him as a Muslim. He was taught Urdu, given religious education and acquainted with the topography and other details about Pakistan. Now the Mind Blowing part:- In 1975 he was sent to Pakistan and given the name Nabi Ahmed Shakir. He was successful in getting admission in Karachi University and completed his LLB. He joined Pakistan Army and became a commissioned officer and later was promoted to the rank of a Major,Now tell me,how awesome is that . He married a local girl Amanat, and became father of a girl. From 1979 to 1983, while in military service, he passed on valuable information to RAW which was of great help to the Indian defense forces. He was given the title of 'Black Tiger' by India's then home minister. He spent 26 years of his life away from his home and family in Pakistan in very unfavourable conditions. In September 1983, Indian intelligence agencies had sent an agent, Inyat Masiha, to get in touch with Black Tiger. But the agent was caught by Pakistan’s intelligence agencies and revealed Ravinder Kaushik's true identity. Kaushik was then captured, tortured for two years at an interrogation centre in Sialkot. Ravinder was awarded death sentence in the year 1985. His sentence was later commuted to a life term by the Pakistan Supreme court. He died in 2000. You can actually measure the amount of sacrifice this Man has done.Not many people know about him,but its one hell of a heroic job that he did.