Tiruppur, July 4 -- The four-day awareness padayatra (protest march) against the Karnataka government's proposed Mekedatu Dam on the Cauvery River entered its fourth and final day on Saturday, with Pattali Makkal Katchi (PMK) president Anbumani Ramadoss alleging that the project would threaten Tamil Nadu's water security, agriculture and ecology.

The protest march, which began on July 1 with participants alleging that the project would adversely impact the water security and livelihoods of millions in Tamil Nadu.

Speaking to ANI, Ramadoss said the proposed reservoir would significantly increase Karnataka's water storage capacity while putting Tamil Nadu, the lower riparian state, at a disadvantage.

"The proposed Mekedatu Dam is designe...