Striking similarity with ....
A 2010 Korean thriller I Saw the devil http://www.imdb.com/title/tt1588170/?ref_=nv_sr_2 how a cop chases serial killer while fighting his own demons.
But in any case Raman Raghav 2.0 is by far the best thriller came out from Bollywood in recent year.
"I have two problems first I am horny and second I am single".