Madhya Pradesh's Ujjain is decked up for the inauguration of Mahakal Lok Corridor on Tuesday evening. Prime Minister Narendra Modi will dedicate the 900-metre-long corridor and revived Rudrasagar Lake to the nation on Tuesday evening. It's built around the Mahakaleshwar Temple, which is a major temple of Hindu God Shiva. It is one of the 12 'jyotirlingas' in India.