Efforts to surface transport the 300-tonne semi-carved stone to Karnataka has altered the course of Thenpennai river in Perandapalli village, Krishnagiri.
The South Pennar River is known as Thenpennaiyaru in Tamil and Dakshina Pinakini in Kannada. It is also referred as Ponnaiyar.
The river originates from the South-Eastern side of the Chennakesava hills and the North-Western side of the Nandi Hills in the Chikkaballapur district of Karnataka state.
It flows for a distance of about 85 kilometres within Karnataka, to the north of Bangalore.
It flows a total of 400 kilometres (km) from its point of origin before joining the Bay of Bengal at Cuddalore district of Tamilnadu.