Hello Abhishek,

Hope you're doing great. According to your question, yes CBI Sub Inspector job is a permanent job as it is under the central government. You have to attend SSC CGL exam for CBI Sub Inspector.

Hope it clears your maximum doubt!!

Dear aspirants ,

Yes ,CBI sub inspector is  permanent job. CBI is a specialized agency meant for investigation of crime relating to Corruption by Public Servants under the control of the Central Government, serious economic offences and frauds and sensational crime having inter-state/all-India ramifications.

Hope it will helpful

Thanks