_*Defence Research and Development Organisation (DRDO)* is the research and development wing of the Ministry of Defence. Works to achieve self-reliance in critical defense technologies_
_*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._
