According to the 1892 Madras-Mysore agreement, Karnataka cannot take up any work without Tamil Nadu's consent

The Tamil Nadu government on Monday said it will move Supreme Court against neighbouring Karnataka over the river Pennaiyar dispute. PWD Minister K V Ramalingam told Tamil Nadu Assembly that Chief Minister J Jayalalithaa had issued directions in this regard, after opposition DMK and Left parties moved a Special Call Attention on the situation arising out of Karnataka taking up some work regarding check dam on the river.