President Anura Kumara Dissanayake's promise to hold corrupt officials accountable has fueled his public support.

Sri Lanka's president's coalition, the National People's Power (NPP) posted an early lead in a parliamentary election, local television channel Ada Derana said on Thursday. President Anura Kumara Dissanayake called for snap a general election in September to seek a mandate to take forward his policies in the island nation struggling to emerge from a severe financial crisis.

As many as 196 members are to be elected from the 22 districts based on the proportional representation system while 29 would be elected from the cumulative votes polled national list to provide a 225-member Parliament for a five-year term.