Quasi-judicial is defined as having a partly judicial character by possession of the right to hold hearings on and conduct an investigation into disputed claims and alleged infractions of rules and regulations and to make decisions in the general manner of the courts. It means that it is essentially judicial but not within the judicial power or function especially as constitutionally defined.
A quasi-judicial body is considered as an anon judicial body that can interpret the law. These bodies can be called arbitration panels and tribunal boards. These organizations can be a public administrative agency but also a contract –or conclusions from them to provide the basis of official action. Private law entity these power resembles the power and procedure of the court of law or judge to draw.
Though there might be some similarities there is some difference with judicial bodies. Some key differences are; the judicial decision is bound by the precedent in common law, whereas quasi-judicial decisions usually are not so bound, the judicial authority has the authority to make and implement new laws whereas quasi-judicial decision doesn't have that power .quassi judicial body doesn’t need to follow the strict rules of procedure and the quasi-judicial authority don't have any particular hearing pattern till the time specified by the government in the laws.
Statutory bodies are known as the bodies which are formed by the parliament act. These bodies are considered as a non-constitutional body because they do not mention in the constitution .these bodies are called statutory bodies as they derive their power from the statutes which are made by the parliament.
There is a difference between statutory bodies and quasi-judicial bodies:
Statutory bodies are considered non-constitutional bodies, whereas a quasi-judicial body can be an individual or body with powers resembling the power of the court.
Statutory bodies originate from the act passed by the parliament, and they set out the purpose and specific powers of the agency, on the other hand, quasi-judicial activity is formed to reduce the burden of the courts.
Statutory bodies are not confined to a specific domain. Quasi-judicial authority's power is restricted to a specific domain.
Statutory bodies have the permission to enact laws on the other hand quasi-judicial bodies have to give decisions to disputes under the ambit of existing laws.
Central vigilance commission, Central Information Commission, Unique Identification Development Authority of India are a few examples of statutory bodies.
Comptroller and auditor general of India, National Consumer Disputes Redressal Commission, National Green Tribunal, banking ombudsman, etc are a few examples of quasi-judicial authority.