The name Nishan is an Armenian baby name. In Armenian the meaning of the name Nishan is: Sign.
Singh Name Meaning. Indian (northern states): originally a Hindu Kshatriya name but now adopted by many different communities, from Sanskrit si?mha 'lion', hence 'hero' or 'eminent person'. It is freely added to Rajput and Sikh male personal names and in the U.S. often serves as a Sikh surname.
Origin of the name Angel: Derived from the vocabulary word angel (divine messenger, a messenger of God) which has its root in the Greek angelos (messenger).