A building attached to the Tissáráma in the Nandanavana in Anurádhapura, erected for the use of Mahinda. Devánampiyatissa was anxious that there should be no delay in erecting the building, and therefore had the necessary bricks dried with torches for the sake of speed. The building was dark in colour, hence its name (Mhv.xv.203f; MT.363). There was once a pond near the gate of the parivena, called Marutta. MT.344f