Explanation:

Hindi and English are to be the languages for transacting business in the Parliament as per the constitution. However, the presiding officer can permit a member to address the House in his mother tongue. In both the Houses, arrangements are made for simultaneous translation. Though English was to be discontinued as a floor language after the expiration of fifteen years from the commencement of the Constitution (that is, in 1965), the Official Languages Act (1963) allowed English to be continued along with Hindi.