The civil society and anti-Rajapaksa leaders have already been peeved at the slow progress in bringing to book scam-tainted leaders.
His government knows it has to agree to an internationally acceptable inquiry as Colombo's credibility both at home and abroad on this issue has been eroded.
There is a lot of convergence in the outlook of the leaderships of the two countries than before.
From tackling corruption to allegations about war crimes, the newly-elected president's agenda will attempt to strengthen Colombo's position on many fronts.
People have shown that whipping up of Sinhala nationalist rhetoric or holding up the bogey of revival of Tamil separatism is not enough to win.
In the past, Rajapaksa has proved to be a past master in 'under the table' deals.
Much would now depend upon how India follows up on the promises made during PM Modi’s visit to the island country.
Will the former president's return mean having Chinese naval presence within hair's breadth?
India, however, would prefer Sirisena-Wickremesinghe to win as it has struck a good rapport with the island nation's incumbent government.
The incumbent president is no showman like his predecessor. But he has showed his mettle.