The University shall be open to all persons irrespective of sex, nationality, race, creed, caste or class, and no test or condition shall be imposed as to religious belief or profession in admitting or appointing members, students, ¹[adhyapakas], workers, or in any other connection whatsoever, except in respect of any particular benefaction accepted by the University of which such test is made a condition by the instrument creating such benefaction:
     Provided that no benefaction shall hereafter be accepted which in the opinion of the authorities of the University involves conditions or obligations opposed to the spirit and object of this section:
     Provided further that nothing in this section shall be deemed to prevent religious instruction being given in any manner approved of by the authorities concerned to those who have given their consent thereto by ¹[adhyapakas] duly and properly authorised for that purpose.