20Provident fund.

Every Judge shall be entitled to subscribe to the General Provident Fund (Central Services):
Provided that a Judge who ¹ *** has held any other pensionable civil post under the Union or a State shall continue to subscribe to the provident fund to which he was subscribing before his appointment as a Judge:
Provided further that a Judge who was appointed before the commencement of this Act may continue to subscribe to the provident fund to which he was subscribing immediately before such commencement.