India, April 28 -- In a big breakthrough for the Narcotics Control Bureau (NCB), a key aide of gangster Dawood Ibrahim was deported to India on Tuesday from Turkey. The deportation of Mohammad Salim Dola, the 59-year-old notorious drug trafficker, stood as an example of India's "zero tolerance" for the narco syndicate.

Born in India to a middle-class family in Mumbai's Byculla in 1966, Salim Dola quickly grew ties with Dawood Ibrahim and then became a mastermind behind one of the largest synthetic drug manufacturing and supply cartels operational in India.

He was detained by the Turkish Intelligence Agency and the Beylikduzu police before being deported to India.

After falling into the Mumbai underworld at a young age, Dola first gaine...