Complex sentence: The Government House and Gandhi Illam were demolished during the construction of a new Tamil Nadu legislative assembly-secretariat complex between 2008 and 2010, apparently causing irreparable damage to the hall's foundations.
Split into simpler sentences: The Government House and Gandhi Illam were demolished during the construction of a new Tamil Nadu legislative assembly-secretariat complex between 2008 and 2010. The construction of the new Tamil Nadu Legislative Assembly complex is also believed to have caused irreparable damage to the hall's foundations.