Who was the nearly 80-year-old leader of the 1857 rebellion in Bihar?

Q. Who was the nearly 80-year-old leader of the 1857 rebellion in Bihar?
Answer: Veer Kunwar Singh
Notes: Veer Kunwar Singh, ruler of Jagdishpur, led the 1857 Bihar rebellion at about 80. Known for guerrilla tactics, he amputated his own wounded hand to prevent infection and was a major freedom fighter honored posthumously by Bihar with institutions and memorials in his name.