The PWD had sent proposals to construct three check dams and three sub-surface dykes across the Palar river, and nearly five check dams across Palar’s tributaries. According to official sources, the Chief Minister made an announcement that Rs 1,000 crore was allocated for three years to construct dams and check dams last year. Of which, Rs 350 crore was allotted in 2017 after which the proposals were made.