the 33rd National Games held in Guwahati, in February 2007. Present condition Frequent earthquakes and seismic surveys being undertaken by the Oil and Natural Gas Corporation are posing a threat to Assam's 18th century amphitheatre Rang Ghar. At least 35 cracks have been noticed at various places on the walls of the historic Rang Ghar. Gallery See also Ahom Dynasty Kareng Ghar, Garhgaon Talatal Ghar, Sivasagar Sivasagar district References A comprehensive History Of Assam by S.L. Baruah. Page 293 External links Rang Ghar National Games logo Rangghar: the oldest amphitheatre in Asia Buildings and structures in Assam Tourist attractions in Assam Monuments and memorials in India Ahom kingdom Sports venues completed in 1746 Sivasagar district Cultural history of Assam