The ranks, posts and designations of IPS officers vary from state to state as law and order is a state matter.
1. DIB – The Director of the Intelligence Bureau (DIB) is the chief executive of the Intelligence Bureau.
2. DGP – The Director General of Police (DGP) is the highest ranking police officer in an Indian State or Union Territory.
>> ADGP – The Additional Director General of Police (ADGP) is an Indian Police Service rank. Though having the maximum possible 3-star police rank just like Director General of Police.
3. IGP – An Inspector General of Police (IGP) is a senior police officer in the police force or police service of several nations.
4. DIG – A Deputy Inspector General of Police (DIG) is a high-ranking official position in Police in Bangladesh, India, Kenya, Malaysia, Nepal, Pakistan, Nigeria and Sri Lanka.
5. SSP – In India, a Senior Superintendent of Police (SSP) in metropolitan, highly populated or naxal-affected districts.
>> SP – The Superintendent of Police in smaller districts heads the police force of a district.
>> Additional SP – In metropolitan areas having a police commissionerate system (like in Delhi Police, Mumbai Police, Bangalore City Police or Hyderabad Police) the head of district police is called deputy commissioner of police, and he or she holds the rank of a superintendent.
6. ASP – The Assistant Superintendent of police (ASP), is a rank that was used by police forces in the British Empire and is still used in many police forces in the Commonwealth.
>> Assistant Superintendent of Police is a probationary rank 2 years of service.
>> Assistant Superintendent of Police is a probationary rank 1 year of service.