He joined Pakistan Army and became a commissioned officer and later was promoted to the rank of a Major.
Kaushik fell in love with a Pakistani girl Amanat, whit whom he married 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 defence forces.
He was given the title of 'Black Tiger' by India's then home minister S.B. Chavan. Some testify that the title was conferred by then Prime Minister, Indira Gandhi.
He spent 26 years of his life away from his home and family in Pakistan in very unfavourable conditions.
In 1985, he was caught and sentenced to death for spying, but the sentence was later reduced to life imprisonment.
