For exact route details, pls read the Day1 of the travelogue below:
http://www.team-bhp.com/forum/travel...e-kolkata.html (Travelogue: Bangalore to Kolkata)
Road is good throughout...except the Chittoor BP which is relatively uneven but not potholed...
We stayed in one of the best hotels in Tirupati...Hotel Kenses (Part of the ITC welcome Group Chain)
Abhi