The Chennai Lighthouse (Tamil: சென்னை கலங்கரை விளக்கம்), formerly the Madras Lighthouse, is a lighthouse facing the Bay of Bengal on the east coast of the Indian Subcontinent. It is a famous landmark on the Marina Beach in Chennai, India. It was built by the East Coast Constructions and Industries in 1976 replacing the old lighthouse in the northern direction. The lighthouse was opened in January 1977. It also houses the meteorological department. On 16 November 2013, it was reopened to visitors. It is one of the few lighthouses in the world with an elevator. It is also the only lighthouse in India within the city limits. It is also a green lighthouse, with a solar panel for power.