The following is an approximate location of the farm stay.
The roads are pretty good all the way. Public transport is not recommended as there are no direct buses. Private car / Motorcycles are the best options.

Please note that NH48 (Silk Board -> Hosur -> Shoolagiri) road has a lot of diversions now because of the fly over constructions on this road.
If your starting point in Bangalore is closer to Sarjapur, please consider taking ( Sarjapur -> Bagalur -> Berigai Road ) If your starting point is closer to Hosur Road / Silk Board, please start early.

There are two route options to the farm. One can take the SH and District Roads through Sarjapur, Bagalur and Berigai (first image below. Single lane traffic with country side views) or take the NH 44 through Hosur and Shoolagiri for a highway driving experience. Roads on both routes are good.