The correct option is D All the above
The revolt of 1857 in Kanpur was led by Nana Sahib, Tantia Tope and Azimulla Khan. The Siege of Cawnpore(Kanpur) was a key episode in the Indian rebellion of 1857. The Company and civilians in Cawnpore (now Kanpur) were unprepared for an extended siege and surrendered to rebel forces under Nana Sahib, in return for a safe passage to Allahabad.