Andhra Pradesh was constituted on 1st November 1956. It has a long coastline of 974 km. and forest cover of 23 per cent of its land area. Agriculture is the main occupation of 70 per cent of the people. The net irrigated area is 4.384 million hectares. The main crops of the region are rice, tobacco, vegetables and fruit like mangoes, grapes and bananas. The State is rich in minerals such as copper ore, manganese, mica, coal and limestone. The main industries are pharmaceuticals, fertilizers, electric and electronic equipment, chemicals, computers and software, aeronautical parts, cement, asbestos, glass, watches, and several other goods and products. The State has a rich cultural tradition of textiles, arts and crafts. It has hot summers and mild winters and annually on an average receives 86 cm. of rainfall.