There is Metro train connectivity (Green-line) and are many city buses available from Majestic (Bus stand) K R Market and Banashankari to reach Vaikuntha Hill. You have to alight at the stop – Doddakallasandra (Kanakapura Road) and it takes about 10 minutes to reach the temple by road and around 20 minutes by walk.
Related links: Vaikuntha Hill | Temple Schedule | Sri Rajadhiraja Govinda temple | How to reach | Route map