CHENNAI, June 20 -- The Tamil Nadu Assembly on Friday unanimously passed a special resolution opposing the Karnataka government's efforts to construct a dam across the Cauvery river at Mekedatu.

The resolution, moved by chief minister C Joseph Vijay soon after the Assembly convened for the second day of its session, received support from all major parties, including the opposition Dravida Munnetra Kazhagam (DMK), All India Anna Dravida Munnetra Kazhagam (AIADMK) and Congress.

The resolution opposes Karnataka's unilateral efforts to construct a dam across the Cauvery at Mekedatu and urges the Union government not to grant any clearances, including technical and environmental approvals, for the project.

Presenting the resolution, Vijay s...