Tamilnadu is one of the twenty eight States of India spread in an area of 1.3 lakhs square kilometers. Its population is 7.2 crores which includes urban population of 3.5 crores and rural population of 3.7 crores. The sex ratio of Tamilnadu is nine hundred ninety six females per 1000 males.
It is divided into thirty eight districts, three hundred thirteen sub-distrcits and three hundred eighty eight blocks. There are 59.6 thousands schools, 13.8 thousands hospitals, 16.8 thousands ATMs, 11.9 thousands banks, 11.8 thousands post offices in Tamilnadu.