After India gained independence in 1947, a limited autonomy was conferred to New Delhi and was administered by a Chief Commissioner appointed by the Government of India. In 1956, Delhi was converted into a union territory and eventually the Chief Commissioner was replaced by a Lieutenant Governor. The Constitution (Sixty-ninth Amendment) Act, 1991 declared the Union Territory of Delhi to be formally known as National Capital Territory of Delhi. A system was introduced under which the elected Government was given wide powers, excluding law and order which remained with the Central Government. The actual enforcement of the legislation came in <answer>1993</answer>.
The enforcement of the legislation of the Constitution Act began in what year?
1993