Making the world better, one answer at a time. In Muslim, the name Roshni means-Light.. Other origins for the name Roshni include-Muslim, Indian.The name Roshni is most often used as a girl name or female name.Muslim Meaning-Light.plit and merge into it. Answered by The Community. Making the world better, one answer at a time. In Muslim, the name Roshni means-Light.. Other origins for the name Roshni include-Muslim, Indian.The name Roshni is most often used as a girl name or female name. Muslim Meaning-Light.