"In an exchange of fire with local police Nayeemuddin has been killed," a senior police official in the Intelligence wing told PTI.
Nayeemuddin was allegedly involved in many cases including gunning down of IPS officer K S Vyas at L B stadium in the city in 1993.
He was accused in cases of murder, killings for gain, extortion and kidnapping for past many years, police said, adding that an investigation was on in the matter.