the act of surrendering or giving up, often in a military context

आत्म-समर्पण

English Usage: After weeks of intense fighting, the enemy's capitulation was finally announced.

Hindi Usage: हफ्तों की भीषण लड़ाई के बाद, दुश्मन के आत्म-समर्पण की घोषणा आखिरकार की गई।