Benaami by Anish Sarkar

This novel is a historical thriller spanning two eras. In the mid-nineteenth century, an unnamed secret society, the Benaami, is set up to fight the British East India Company.

The Benaami spreads its presence across India and in 1857, incites the native sepoys of the British army to mutiny. Arjun Chatterjee, a software engineer, has strange recurring dreams. Together with Sheila Guha, the beautiful professor of history researching the Benaami, he sets out to unravel the clues to his past.

In the process, they get embroiled in a deadly conspiracy hatched by a megalomaniac with his own connection to the Benaami. As the parallel plots, separated by a century-and-a-half but with stunning similarities, hurtle to their climax, Arjun and Sheila race against time and destiny. But will they be able to prevent disaster?