Since 2008, the Election Commission (EC) has added 610,730 voters to the electoral roll, bringing the total number to 11,529,135 as of Sept 30, 2010. The majority of registered voters are from the age group 40 to 49 years. Despite the Election Commission's efforts, 4.2 million of the 15.7million eligible voters have yet to register. The main bulk comprises the age group of 21 to 39.