The annual musical festival Rock 'n India is held at the grounds of a palace originally owned by who? 
Rock 'n India: Rock 'n India was an annual music festival organised by event management company DNA Networks in conjunction with Nous Productions at the Palace Grounds in Bangalore. Bangalore Palace: Bangalore Palace, a palace located in Bengaluru, Karnataka, India, in an area owned originally by Rev. J. Garrett, who was the first Principal of the Central High School in Bangalore, now known as Central College.
Rev. J. Garrett