The Conjuring writers join Vikram Bhatt's next as screenplay consultants

American writer duo Carey and Chad Hayes, who've worked on several horror films including 'The Conjuring', have joined filmmaker Vikram Bhatt's upcoming project, 'The Cello', as screenplay consultants. It is based on a story by Saudi poet-songwriter Turki Al-Sheikh. "Filmmaking is a collaborative process and to work with the best is an honour," Carey and Chad said in a statement.