Model-turned-actor Gaurav Arora says working with actor Emraan Hashmi in "Raaz Reboot" was an enriching experience for him.After walking the ramp and featuring in several TV commercials, Gaurav made his Bollywood debut with "Love Games". He will now be seen in the next instalment of the "Raaz" franchise."When I had watched 'Murder', I didn't imagine that one day, I will work on a film with Emraan. I have learnt a lot by working with him and by just observing him," Gaurav said in a statement. Being directed by Vikram Bhatt, the fourth instalment of the "Raaz" franchise features Emraan with south Indian actress Kriti Kharbanda. The film has been shot in Romania. It reportedly features Emraan as a vampire. However, the plot of the film is not out yet.Produced by Vishesh Films, the film will release on September 16.