Kumaar has written the lyrics of "Luv Letter". Kumaar is known for writing songs like Jaaneman Aah Revisited, Jaaneman Aah, and Sau Tarah Ke Revisited.

Kanika Kapoor have sung the song "Luv Letter". Kanika Kapoor is known for singing songs like Tutak Tutak, Ankhiyaan, and Sehra.

The music of Luv Letter song is composed by Meet Bros.