Kulvaddhu (2006)

The protagonist of the novel is a young woman named Niyati, whose good fortune forces her to wed the Rathod family's sole heir and widowed Bahu of their only son and heir Shourya, even though they were not legally married. Niyati ends up controlling the Rathore family's power. Then, as events unfold, Niyati comes to the realisation that she cannot tell the family the truth and makes the decision to maintain their respect for her. The rest of the tale is about Niyati's subsequent fate.