Ujjain Mahakaleshwar is one of the 12 Jyotirlingas in India.The temple is three-storeyed. In the lowest middle and uppermost parts are respectively installed the lingams of Mahakalesvara, Omkaresvara and Nagachandresvara. It is located in the ancient city of Ujjain in the state of Madhya Pradesh, India.The temple is situated on the side of the Rudra Sagar lake. The presiding deity, Lord Shiva in the lingam form is believed to be Swayambhu, deriving currents of power (Shakti) from within itself as against the other images and lingams that are ritually established and invested with mantra-shakti.