West Godavari collector G. Jayalakshmi called for coordination among revenue and irrigation authorities to expedite land acquisition and rehabilitation works to complete the execution of Polavaram Indira Sagar project. Taking part in a review meeting on the progress of the project works here on Monday, she asked officials and agencies involved in the construction works to take up construction of houses to provide rehabilitation to project-affected persons. She said that the government argeted construction of 4,000 houses estimated to cost Rs 16 crore. The collector asked contracting agencies to supply iron, sand, cement, bricks and other required material to take up construction of houses and assured them that the government would pay the amount for supplying the material. The collector said land acquisition for the construction of project head works was almost compl-ete. She advised contracting agencies not to use delay in land acquisition as a pretext to delay the execution of the project. She dir-ected the executive engine-ers to come up with line sk-etches and other details of the project by February 27.