87. Business in the Legislature shall be transacted in Urdu or in English.

(1) Provided that the Speaker of the Legislative Assembly or the Chairman of the Legislative Council or person acting as such, as the case may be, may permit any member to address the House in Hindi, or if he cannot adequately express himself in any of the aforesaid languages to  address the House in his mother tongue.

(2) The official records of the proceedings in the Legislature shall be kept in Urdu as well as in English.

(3) The text of all Bills and amendments there of moved in and of all Acts passed by the Legislature which shall be treated as authoritative, shall be in English.