The Ripon Building is the seat and headquarters of the Greater Chennai Corporation in Chennai, Tamil Nadu. It is an example of neoclassical architecture, a combination of Ionic and Corinthian styles. The Ripon Building is an all-white structure and is located near the Dr. M.G.R Railway Station. History Commissioned in 1909, the Ripon Building was designed by G.T.S. Harris. The foundation stone was laid by Lord Minto, Viceroy of India, on December 11, 1909. It was built by Loganatha Mudaliar, and took four years to build at a cost of 750,000, including a sum of 550,000 paid to Mudaliar. The Ripon building was named after Lord Ripon, Governor-General of British India and the Father of local self-government. Earl of Minto, the then Viceroy and Governor General of India laid the foundation on 12 December 1909. The Municipal Corporation of Madras, after functioning from several other places including Errabalu Chetty Street, settled at Ripon building in 1913, with P. L. Moore as the President of the Municipal Corporation at the time of the inauguration. The inaugural function was attended by over 3,000 of the city's elites. Building details The building is rectangular, long and wide, with a high central tower containing a clock in diameter. The first of its three floors has approximately of space. The walls were constructed with stock bricks, set and plastered with lime mortar and the roof is supported with teak wood joists. The original flooring of the ground floor was Cuddapah Slate that has been replaced with marble. One of the main attractions of the building is the Westminster Quarter chiming clock. This was installed by Oakes and Co. in 1913. The clock has a mechanical key system, which is wound every day. There are four bells, which were cast by Gillet and Johnston in 1913. Annexe building To the rear of the main building is an annexe building (American English: "annex"), inaugurated in September 2015 under the name "Amma Maaligai". All departments of the Chennai Corporation, except the offices of the Mayor and Commissioner, function from the annexe building. The offices of the Mayor and the Commissioner offices are in the main building. The annexe building was constructed at a cost of 230 million and has a built-up area of 150,000 sq. ft. and a parking space for 50 cars and 150 motorcycles. The building, built with aspects of a green building, could accommodate about