Indian movie Tumbbad is one of the best modern, horror movies. Borrowing heavily from folklore and urban legends, the film is a must-watch for lovers of the genre. 
Where to watch: Prime Video

1920 features Adah Sharma and Rajneesh Duggal in the lead roles and features several spine-chilling moments. 

Where to watch: Prime Video

Akshay Kumar's Bhool Bhulaiyaa, which is a remake of the Malayalam film Manichitrathazhu, remains one of the best horror-comedies of Bollywood. 
Where to watch: JioHotstar

The final chapter of The Conjuring series and all other parts of the movie are an amusing watch on Friday the 13th. 
Where to watch: JioHotstar

The seminal psychological horror film directed by Stanley Kubrick is based on Stephen King's 1977 novel. Use the spooky day as an opportunity to rewatch the movie. 

Where to watch: Prime Video (Rental)

Another classic Hollywood horror movie, The Exorcism of Emily Rose, is a scary watch and not for the faint-hearted. 

Where to watch: Prime Video (Rental)

Midsommar is a folk horror movie with an IMDb rating of 7.1. It stars Florence Pugh and Jack Reynor. 

Where to watch: Mubi

Considered one of the best horror movies, Hereditary is a supernatural psychological film written and directed by Ari Aster (also the director of Midsommar).  

Where to watch: Prime Video

A good Indian horror movie in recent times is Shaitaan, starring Janki Bodiwala, Ajay Devgn, Jyotika and R Madhavan. The film is a remake of the Gujarati movie, Vash. 
Where to watch: Netflix 

The IT movies have a high IMDb rating. Clowns, mystery, children in distress, dingy nights and creaking doors, the film has all the quintessential horror elements. 

Where to watch: Prime Video (Rental)

The Sushmita Sen headliner is considered one of the best Bollywood horror movies. 

Where to watch: YouTube