DMK legislators attended the Tamil Nadu Assembly session on Aug. 6, 2026 [1], wearing black shirts to protest the state government's stance on the Mekedatu dam.

This demonstration highlights the internal political tension regarding inter-state water rights. Because the Mekedatu dam project is viewed as a threat to the water interests of Tamil Nadu, the symbolic dress is intended to pressure the administration to adopt a more aggressive posture in the dispute.

The protest took place at the Tamil Nadu Assembly in Chennai [2]. The lawmakers used the black attire to signal their dissent during the official session. The dispute centers on the construction of the dam, which Tamil Nadu officials and legislators said would jeopardize the state's access to essential water resources [2].

While the legislators did not issue a formal joint statement during the event, the visual protest served as a public rebuke of the current government strategy. The DMK members sought to draw attention to the urgency of the water crisis, and the perceived inadequacy of the state's legal and diplomatic efforts to block the project [2].

The Mekedatu dam issue has long been a point of contention between neighboring states. By wearing black, the legislators said the current stance of the state government does not sufficiently protect the region's long-term water security [1].

DMK legislators attended the Tamil Nadu Assembly session wearing black shirts

The use of symbolic protest within the legislative chamber indicates a growing rift between the rank-and-file legislators and the state executive's handling of the Mekedatu dam dispute. This move suggests that water security remains a primary political lever in the region, where any perceived weakness in protecting water rights can lead to significant internal party pressure and public unrest.