Alone is a 2015 Hindi Indian horror film directed by Bhushan Patel – who previously helmed hit Indian horror films 1920: Evil Returns and Ragini MMS – from a screenplay by Sheershak Anand and Shantanu Ray Chhibber.
It is the Bollywood remake of the 2007 Thai film of the same name, which was remade in Kannada and Tamil in 2012 as Charulatha and remade in Malayalam as Geethaanjali.
Conjoined at birth, Anjana and Sanjana were twin sisters who lived by one promise made to each other – ‘We will always be together. We will never separate’. Mysterious circumstances lead to the death of one while the other survives. Years later, the ghost of the dead comes back to haunt the surviving sister…