The Burning Kingdom Series by Tasha Suri

One is a vengeful princess seeking to depose her brother from his throne. The other is a priestess searching for her family. Together, they will change the fate of an empire. The prophecy of the nameless god - the words that declared Malini the rightful empress of Parijatdvipa - has proven a blessing and curse. Malini has claimed her rightful throne as the empress of Parijatdvipa, just as the nameless gods prophesied.