India, Dec. 9 -- Intensifying drive against vehicular noise pollution, the Gurugram police on Sunday bulldozed around 20 illegally-modified, loud motorcycle exhausts at a Sohna market, officials said.

Rajinder Kumar, station house officer (SHO) of Sohna City police station, said the drive was aimed at punishing the repeat offenders who flout traffic safety norms by reinstalling modified exhausts even after being penalised.

"Many of these violators have a history of harassing pedestrians, elderly, and local residents. These bikers deliberately brush past pedestrians and elderly with their motorcycles to scare them off with loud exhaust noise," Kumar said, adding that the exercise was a "preventive action."

"Under the Motor Vehicles Act,...