Hello Travelers,
Orvakallu Rock Gardens is located in Kurnool district of Andhra Pradesh. It is located at a distance of approx 380 Kms from Bangalore.
We visited this place while returning back from Srisailam. There is a hotel run by APTDC named Hotel Haritha. We had our lunch here and spent an hour before starting to Bangalore.
The famous film Bahubali was shot here.
Here is the location link: https://goo.gl/maps/ZWihf5rkdNtEw3pLA
Here are some pics.