The house walls of Siddhant Chaturvedi and Ishaan Khattar are covered with horror film posters of Ram Say Brother and also Raj Kumar Kohli's Jaani Dushman 1979.

Surendra Thakur lookalike of Anirudh Agarwal who often played ghost in Ramsay films.He played similar character to him in the film.

It stars Katrina Kaif, Ishaan Khatter and Siddhant Chaturvedi in the lead roles. This will be Katrina Kaif third venture with Excel Entertainment after Zindagi Na Milegi Dobara and Baar Baar Dekho. It will be the first time that these three stars will be working together.

Film is kind of tribute master of horror films Ramsay Brother.

The part at 1:40 and 5:01from the song "Aaja Gufaon Mein Aa" from Aks, was inspired from the song "Immigrant Song" by Led Zeplin. The Phone Bhoot Theme song also has traces of the same Led Zeplin tune. Thor Ragnorak's Theme song also sampled Led Zeplin' s classix tune. Other people who sampled the same intro of the Led Zeplin song were Bleep by Sandy Vee (2008), Puss N Boots by Kon Kan, Scream by Wh0 (2018), To Hell and Back by Benga (2012),You Should Be Dancing by Dread Zeppelin (1992),Togi by Dzeko & Torres and Crossways (2013),Since Ur Barracuda Has Been an Immigrant by Rock Sugar (2011), Pro's and Con's by No Remorze (1995), Rock On! by Cutmaster-G (1988),Body Rock by Hazzaro (2013),We Rock the Mic by Soul Survivors (Hip Hop) (1996),Don't Make Me Over by Francis M. (1990),Make It Happen by Most Wanted Posse (1993),Immigrant Song / Pay to Cum by Whiskey Daredevils (2007),Colère by Benny B feat. DJ Daddy K (1990),The True Story of House Music by L.B. Bad (1989).