Was first started as a thriller series, but later turned into horror.
The episodes of first, second and fifth seasons were half-hourly, while episodes of third, fourth and sixth seasons were one-hourly.
The first season aired on Thursday nights, later shifting to every Friday nights.
Om Puri, Mandira Bedi, Tom Alter, Ashutosh Rana, Shivaji Satham, Virendra Saxena have starred in the show.
After the first season, each story focused on a different aspect of paranormal activity, such as ghosts, zombies, phantoms, undead persons, possessed objects and witches and wizards.