CB CID Full Form | What is the Full Form of CID

CID

CID stands for Crime Investigation Department. It's an investigation and intelligence wing of the Indian State Police.
It's one of the foremost important units of the police organization and is headed by the extra Director General of Police (ADGP).
It's headquartered in Pune and investigates specified cases entrusted by the government. Of India and DGP (Director General of Police).
It had been formed by British government in 1902 to maintain law and order within the country, on the recommendation of Police Commission.
The department has their own ranks of officers who usually work in plain clothes. These officers are referred to as Detectives or CID officers.
In 1929, this department was split into Special Branch, CID and Crime Branch CID (CB-CID).

The CID has several branches like

CID Branches

Officer's Ranks in CID

The CID officers usually use a word "detective" before their rank.

The main task of CID is to investigate criminal cases like rape, murder, theft, robbery etc.
It gathers facts, evidence for criminal cases and frauds and catches criminals and eventually presents the accused with evidence within the Court.
These investigations can span multiple cities, and states depending on the level of the crime.
The CID team also takes the help of local police to investigate the cases.

The candidate must be a citizen of India and therefore the minimum qualification required for a candidate to join CID as a Sub Inspector or an officer may be a graduation from a recognized university. However, to join CID as a constable, the minimum qualification required is 12^th or Higher Secondary Certificate.
Aside from qualification isn't enough to become a CID officer, one must clear the Indian Civil Services examination which is held per annum by the Union Public Service Commission.
There are many universities in India that provide courses in criminology at graduation level. These courses may assist you join the CID.
There are various designations or posts in CBI.
Furthermore, the candidate should have a superb memory, sharp eyes, good judgment of character, ability to work during a team also as alone. These are the essential requirements of this job.