Farmers optimism on the state government giving a new lease to the Palar river has come a cropper with media reports suggesting that the Karnataka Government plans to block the flow of water to the Pennaiyar River altogether. Farmers here were optimistic that the state government would take up with the Union Ministry of Water Resources, the proposal to divert the excess flow of water from the Thenpennaiyar River below Krishnagiri reservoir to the water-starved Palar basin through a Pennaiyar-Palar link project.