- Country: India
- Genres: Mystery, Thriller
- Release: 2005-09-09
- Director: K. Madhu
- Writers: S.N. Swamy
- Language: Malayalam
- Stars: Mammootty , Mukesh (IV) , Jagathi Sreekumar , Jishnu , Gopika , Samvrutha Sunil , Suvarna Mathew , Suja Karthika , Thilakan , Sreekumar
- Runtime: 146 min
- Awards: N/A
- AKA: Nerariyan CBI (India) , Nerariyan CBI (United Arab Emirates) , Oru CBI Diary Kurippu Part IV , Nerariyan CBI
- Plot: Years after a girl Mythili is murdered in a supposedly haunted mansion, Sethurama Iyer, a CBI officer, decides to find the culprit and solve the mystery.
- IMDB:tt0463644
Nerariyan CBI Cast · · · ALL
K. Madhu
Director
Mammootty
Sethurama Iyer
Mukesh
(IV)
Chacko
Jagathi Sreekumar
Vikram
Gopika
Anitha
Samvrutha Sunil
Mythili
Jishnu
Sai
Suja Karthika
Lakshmi
Suvarna Mathew
Maya
Thilakan
Kapra
Indrans
Devaswam
Madhu Warrier
Pradeep
Mohan Jose
Velu
V.K. Sriraman
Sankaran