With help Assistance from reinforcements , Kanpur was retaken Conquering by mid-July 1857 , and Delhi by the end of September .

Techkriti is an annual inter-collegiate technical and entrepreneurship festival Social_event of Indian Institute of Technology Kanpur .

The besieged Company forces and civilians in Cawnpore ( now Kanpur ) were unprepared for an extended siege and surrendered Surrendering to rebel forces under Nana Sahib , in return for a safe passage to Allahabad .