Western Ghats :
Western Ghats are running in the north south direction and form the western edge of deccan plateau. Its extent is about 1600 km from the Tapti valley in the north upto Kanyakumari in the south.
Eastern Ghats :
They run almost parallel to the east coast. These are a series of intersected hills, lying between the Mahanadhi River in Orissa and teh vaigai river in Tamilnadu. These hills are not continuous and almost disappear between Godavari and Krishna rivers.