The Supreme Court at Calcutta was established by the Regulating Act of 1773. This act was passed by the British Parliament and was aimed at improving the administration of the British East India Company in India. The act established a Supreme Court in Calcutta, which was the first high court in India. The Supreme Court was given jurisdiction over civil and criminal matters and was intended to provide a fair and impartial justice system. The act also introduced other reforms such as a system of dual government and the appointment of a Governor-General of Bengal. Overall, the Regulating Act of 1773 played a significant role in the judicial and administrative system of British India. Alert - correct answer should be .