Road ministry to build 74 new tunnels at an estimated investment of Rs 1,00,000 crore over next few years: Nitin Gadkari

Speaking at the second edition of Tunnelling India conference by the Federation of Indian Chamber of Commerce and Industry (Ficci) on Tuesday, Gadkari said the focus will be on technology upgradation and cost-effective solutions while ensuring performance audits of all under construction projects to ensure construction of world-class infrastructure.