I just found these details in the newspaper and maybe useful for someone who is looking for a self driven car for a trip.
INNOVA, SANTRO ETC., Daily trip to tirupathi - Call: 90032 01027
INNOVA, SANTRO, SCORPIO, QUALIS - Call NAVCAR: 98845 25000
INNOVA, SANTRO, SCORPIO, VERNA - Call: 98412 90505
Call them for the rates.
Who knows may be i may need them sometime.