Following are the roads which i loved driving in my recent trip :
1) Kolkata to Kharagpur (NH 6) :
Excellent roads without a pothole
2) Kharagpur to Makrampur (NH 60) :
Fully concrete, you would love the groan once you are doing 100+
3) Choudwar to Sambalpur (NH 42):
2 laned, but in excellent condition. The scenic beauty is excellent among the dense forests and hills.
4) Bhillai to Nagpur (NH 6):
Actually the expressway is till Bhandara. Awesome roads. One can easily do 100 -120 constantly.
5) Nagpur to Amravati (NH 6) :
Excellent roads. Work in progress after Talegaon.
6) Dhule - Mumbai (NH 3): Except the Nashik stretch, wonderful roads. Excellent scenic beauty while you are crossing the ghats.
7) NH 8 - NH 76 - NH 79 : All are in good condition.
8) NE 1 (Vadodara - Ahmedabad Expressway) : Wonderful expressway.
9) NH 8 (Kishangarh - Jaipur Expressway) : Awesome 6 laned expressway. But heavy truck traffic.
10) Newly built NH 11 i.e. Jaipur - Agra : Very good roads and very less traffic.
11) NH 2 : Good is patches. Durgapur expressway is very good.
My TL is in progress. You all can enjoy here : Round the Country in My Manza. 5000+ Kms in 7 Days, 9 States