S. Mohan, J.

1. This writ petition has been preferred as a public cause litigation. The petitioner in his affidavit states that he is a citizen of India by birth. He knows only English and Tamil and no other language. He is an Advocate by profession practising in the High Court of Madras. As, a responsible citizen of the country and to discharge his fundamental duty enshrined in Article 51-A of the Constitution, he is filing this writ petition for a declaration that the Official Languages Act of 1963 is unconstitutional to the extent it authorises the use of regional Hindi as found in Schedule VII as one of the Official languages by its vague definition of Hindi under Section 3 instead of authorising the Hindi of All India character as per the requirement of Article 351 of the Constitution for the purpose of official use of the right type of Hindi as mentioned in Article 343(1) of the Constitution. The Constitution of India has given a special directive under Article 351 as to how to develop, promote and spread Hindi so as to serve as a common medium of expression for all the elements of the composite culture of India. In spite of this special directive, Hindi language had not