_*Indian Army* is the land-based branch and largest component of the Indian Armed Forces. The primary mission of the Indian Army is to ensure national security and national unity, to defend the nation from external aggression and internal threats, and to maintain peace and security within its borders._
_*Al-Kindi* ( 801–873 AD) in the ninth century who laid the foundation of cryptography. Al-Kindi is known as the father of cryptanalysis and cryptography for his work in developing methods to break codes. An Enigma machine was used to encrypt military messages in World War II._
