Additional forces have been deployed at vulnerable places and key installations, including parade grounds where functions will be held, important bus stands, railway stations and government buildings, officials said here today.
Elaborate security arrangements are already in place in Punjab, which goes to polls on February 4.
Police, para-military and other security personnel will be manning key public places, they said.
All check posts along the inter-state borders on Punjab and Haryana too have been put under maximum alert, officials said.
Regular checking is being conducted in the vehicles entering the towns, while hotels are also under observation of the security forces, they said.