Explanation:

The Deccan Plateau & the Konken Plains 

Thal Ghat (also called as Thul Ghat or Kasara Ghat) is a ghat section (mountain incline or slope) in the Western Ghats near the town of Kasara in Maharashtra. The Thal Ghat is located on the busy Mumbai–Nashik route, and is one of the four major routes, rail and road routes, leading into Mumbai. The railway line, which passes through the ghat is the steepest in India.