Ratsasan (AKA: Raatchasan)

IMDB: 8.3/10

A sub-inspector sets out in pursuit of a mysterious serial killer who targets teen school girls and murders them brutally.

Imaikkaa Nodigal

IMDB: 7.3/10

A CBI officer goes in search of a ruthless serial killer. Things get worse when the murderer targets the former and her family.

7 Khoon Maaf

IMDB: 6.3/10

Susanna is hungry for love and will go to any extent to find it in its purest form. In her quest for the perfect man, she gets married a number of times as each of her husband's die mysteriously.