A map of the river system and drainage basin of the Vellar River, in Tamil Nadu, India. Names of major tributaries are included in the map, and the legend provides names of more minor tributaries in the system, that correspond to numbers on the map.
Own work
This file was derived from:

 India Tamil Nadu districts Cuddalore.svg
Maps template-en.svg
BlankMap-World gray.svgDerived from;

OSMInformation from:

researchgate.net
nwm.gov.in page 1 and 5 in pdf.
Requested by and knowledge from Starkenborgher
Goran tek-en