Question

What were the immediate cause of freedom struggle of $1857$?

Answer 1

Immediate reason: On $29$th March, $1857$, a soldier named Mangal Pandey refused to use the larded cartridge and shot a british officer in a feat of anger. Mangal Pandey was arrested and executed on $8$th April, $1857$. Mangal Pandey was the first one to sacrifice his life in the revolt.