During the colonial period, 'Cutcheries' in Bengal referred to:-

Courts of Law

The correct answer is Option (3) → Courts of Law

Legal and Judicial Context: The term "Cutchery" is derived from the Persian word "Kachari," which refers to a place of justice or a court. In colonial Bengal, "Cutchery" was used to denote the courts of law or judicial establishments.

Judicial Administration: The British East India Company established a legal and judicial system in its Indian territories during the colonial period. Cutcheries served as venues for legal proceedings, hearings, and the administration of justice.

British Influence: The British colonial administration brought its legal and judicial practices to India. The term "Cutchery" was used in the colonial context to refer to places where legal matters were addressed and adjudicated.

So, the correct option is [3].