Listen to Door Knock Cypher online. Door Knock Cypher is a Hindi language song and is sung by Mak Boy, Daroga, Bijji, Rapper Aish and Dhiraj Rapper. Door Knock Cypher, from the album Door Knock Cypher, was released in the year 2023. The duration of the song is 4:41. Download Hindi songs online from JioSaavn.