Indradhanush is a mini-amphitheater in Bangalore, Outdoor Eventspace Bangalore, This space is perfect for gatherings between 300 to 500 people. The intimate space.Indradhanush is a mini amphitheatre; a performance space framed by a rustic stone arch and seven pillars surrounded by a canopy of sheltering trees. This space is perfect for gatherings between 300 to 500 people. The intimate space, the warm combination of lush greenery, and romantic stone makes the space perfect for theatre, music concerts or even private socio-cultural events.