To establish an effective and impartial prosecution in State, Directorate of Prosecution has been established in 1980.

Function of Directorate is to have administrative control and to monitor the work of Administrative Director Prosecution, Joint Director Prosecution, Senior Prosecution Officer,Assistant Prosecution Officer working in Directorate of Prosecution. It is part of Home Department of Government of Uttar Pradesh. Director General Prosecution is the chief officer of Directorate of Prosecution. All powers of head of department are vested in Director general. Besides him, there's post of one Director (at the level of Inspector general of police) and one Additional Director Prosecution (at level of Deputy Inspector general of police). There are approved post of Additional Director (law), Joint Director (administration), department of Prosecution Officers and Assistant Prosecution Officers in Directorate of Prosecution.

In Directorate of prosecution they are following officer to assist Director General of Prosecution.

• Director Prosecution
• Deputy Director Prosecution
• Additional Director (law)
• Joint director prosecution (HQ)
• Prosecution officer (HQ)
• Assistant Prosecution Officer (HQ)
• Special Officer
• Administrative Officer

For administrative purposes​,whole state has been divided into many zones. Every zone is supervised by officer known as Additional Director Prosecution. Additional Director Prosecution is the senior most Officer of Prosecution cadre and he have long experience of prosecution work. He accomplishes Prosecution work by coordinating work of administrative officers at zonal and district level.Additional Director Prosecution is Drawing Dispersing Officer of not only his own office but also of district level prosecution office too.

At district level prosecution work has been controlled and managed by joint Director Prosecution and Senior prosecution Officer.Senior prosecution Officer acts like public prosecutor while disposing work at court of sessions . He appears at court of sessions on behalf of Prosecution in disposing heinous crimes.He also look at day to day work of Prosecution Officers at district level.He is not only performed administrative work of Officers but he is also performing duties of drawing Dispersing Officer at district level.

On district level the Prosecution work has been accomplished by Joint director prosecution, senior prosecution officer, prosecution officer and assistant prosecution officer.Prosecution officer is basically public proscutor and is authorized to conduct prosecution work at court of sessions. In court of Magistrate, prosecution work has been seen by assistant prosecution officer. Beside Prosecution work Prosecutor gives legal opinion to administration concerned and police officers.

Prosecution officers are also appointed in CID Lucknow Cooperative Lucknow, EOW,GRP Allahabad Uttar Pradesh Power Corporation Lucknow ,Revenue Intelligence Lucknow, food department Lucknow, Anti Corruption Organisation ,RTC Sitapur PTC Muradabad, PTC Gorakhpur ,RTC Chunar ,High Court Allahabad ,PTC Unnao etc.