1) Mumbai to Pune
2) Vishakhapatnam to Araku Valley
3) Chennai to Pondicherry along the East Coast Road
4) Bangalore to Bandipur Forest
5) Chennai to Munnar
6) Mumbai to Goa
7) Bangalore to Ooty via Mysore
8) Mumbai to Mount Abu
9) Bangalore to Goa
I hail from Chennai. And, I am preety sure best road trip in south India would be Tamil Nadu to kerala I.e, Coimbatore - Ooty-Munnar best greenary road