Dadra and Nagar Haveli and Daman and Diu.The districts in turn are further divided into tehsils and eventually into villages. Each state or union territory is further divided into administrative districts. (See also: Political integration of India.) Since then, this structure has remained largely unchanged. In 1956, under the States Reorganisation Act, states were formed on a linguistic basis. The other six union territories are directly ruled by the Centre through appointed administrators. All states and territories, including the three union territories of Jammu and Kashmir, the National Capital Territory of Delhi and Puducherry have elected legislatures and governments patterned on the Westminster system. India comprises 28 states and 8 union territories.