Police had directed that all new year parties in the city should end by 12.30 am, city police commissioner R Hithendra said in a statement here.
The deadline was reasonable for a city like Mangaluru, he added.
Deputy Commissioner of police (law and order) K V Jagadeesh said a strong police force would be deployed to ensure that the deadline was strictly kept.
A rapid workforce comprising traffic police and specialists had been formed to keep watch on those who drove vehicles in a drunken state and steps would be taken against violators, the statement said.