It is a greatest and longest show in in indian tvs.Many people seen it since their childhood.It is not really based on real issues But it is great written and directed.They make many parts of this.And all are seems to be great to watch.Sometimes it becomes like a haunted show and sometime it is a comedy show.But in all time it is serious show to be watch.Myesterious puzzles, murders and everything in a thriller mode.No doubt it is a greatest show.