India, Nov. 16 -- Student groups and environmental organisations in Bengaluru staged a brief demonstration inside the city's Lalbagh Botanical Gardens on Saturday, voicing their opposition to the proposed 17-km tunnel connecting Silk Board and Hebbal.

The protest was organised by the All India Students Association (AISA) and Fridays For Future - Karnataka, said a report by The Hindu. The groups accused the government of pushing forward with the massive, multi-crore project despite expert objections and unresolved issues in the Detailed Project Report (DPR).

According to the organisers, the twin-tunnel plan, estimated to cost between Rs.17,000 crore and Rs.20,000 crore, would be one of Karnataka's most expensive transport projects. They ...