This was informed by state PWD minister Sharanjit Singh Dhillon here today.
The work of 4/6 laning of 400 km national highways - Sambhu-Jalandhar, Bhogpur-Mukerian, Pathankot-Amritsar and Ludhiana-Talwandi are likely to be completed by March 2014, he said.
The minister said Rs 4,200 crore would be spent on road infrastructure during the year 2013-14.