The Constitution of India) is the supreme law of India. The document lays down the framework that demarcates fundamental political code, structure, procedures, powers, and duties of government institutions and sets out fundamental rights, directive principles, and the duties of citizens.

The Indian Penal Code (IPC) is the official criminal code of India. It is a comprehensive code intended to cover all substantive aspects of criminal law.
The Code of Criminal Procedure commonly called Criminal Procedure Code is the main legislation on procedure for the administration of substantive criminal law in India. It was enacted in 1973 and came into force on 1 April 1974.

The Code of Civil Procedure, 1908 is a procedural law related to the administration of civil proceedings in India. The Code is divided into two parts: the first part contains 158 sections and the second part contains the First Schedule, which has 51 Orders and Rules.