Kunwar Singh was a leader of the revolt of 1857 in which among the following modern states?
[A] Bihar
[B] Jharkhand
[C] Rajasthan
[D] Uttarakhand

Babu Veer Kunwar Singh, one of the leaders of the Indian Rebellion of 1857 belonged to a royal Kshatriya house of Jagdispur, currently a part of Bhojpur district, Bihar.