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In case you didn't know already, the route is

Bangalore - Hosakote - Kolar - Mulbagal - Palamner - Chittoor - Ranipet - Walajapet - Sriperumbudur.

There is some roadwork happening near the Chittoor bypass so please be prepared for some traffic jams. Nothing major but the feeling is irritating when you're doing good speeds.

Negatives: Until you cross Hosakote, you won't get the highway feel. Lots of traffic until then.
2 lane almost throughout so overtaking requires planning compared to the GQ.
Just before Palamner, you might be flagged down at the Checkpost, be prepared for people jumping in front of your vehicle waving a stick. There is a narrow bridge just after the checkpost so watch out if you dodge the RTO guy.
You have to pass through Palamner town where you cannot overtake.
You have to pass through the outskirts of Ranipet and Walajapet.

Positives: Scenic and entertaining compared to GQ.
Loads of places to stop and eat.

Recommended places:
Kamat Upachar - LHS just before Kolar bypass and near the IOC bunk.
Woody's - RHS just after Kolar bypass
Cafe Coffee Day - almost immediately after Woody's on the right
IOC Nandini - Chittoor bypass, on the left. Not so clean toilets.
MGM Virundu - after BHEL and before Ranipet, on the RHS.
Reliance A1 plaza - after the Samudram toll plaza on the RHS