A circular lake built in 1451 by Sultan Qutub-ud-Din. In the centre of the lake is an island garden with a summer palace known as Nagina Wadi. It has a beautiful Musical Fountain show, although the music isn’t too good the lights and fountain are worth the visit. ‘Bal Vatika’ — an aquarium, a boat club, a toy train, a natural history museum and a zoo. The lake is closed for visitors on Monday. 10 entrance fee.