A heavy security deployment maintained an uneasy calm at Pasighat in Arunachal Pradesh’s East Siang district after protests against the proposed Siang dam turned violent late on Friday and continued into the early hours of Saturday.

District Magistrate Jayanti Pertin told The Indian Express on Sunday afternoon that the law and order situation was under control. “It is too early to assess the damage. The restrictions on public gathering under section 163 of the BNSS in Pasighat, Mebo and Ruksin will continue until further orders,” she said.

The simmering unrest underscores the resistance confronting the proposed 11,200-MW Siang Upper Multipurpose Project (SUMP) being undertaken by NHPC Limited.

Sources in the hydropower PSU acknowledged that opposition to the project showed no signs of abating despite what they described as “pro-people CSR activities” and the appointment of a public relations agency to build local support.

NHPC awarded Mumbai -based Concept Public Relations a one-year, Rs 8.73-crore…