(3)Every officer or other employee of the Tribunal, Appellate Tribunal and other Authorities specified in column (2) of the Ninth Schedule employed on regular basis, by such Tribunal, Appellate Tribunal or other Authorities shall become, on and from the appointed day, the officer and other employee, of the corresponding Tribunal, Appellate Tribunal or other Authorities specified in column (3) of the said Schedule with same rights and privileges as to pension, gratuity and other like benefits as would have been admissible to him if he had continued to serve the Tribunal, Appellate Tribunal or other Authorities specified in column (2) of the said Schedule until his employment is duly terminated or until his remuneration, terms and conditions of employment are duly altered by such corresponding Tribunal, Appellate Tribunal or other Authorities, as the case may be, specified in column (3) of the Ninth Schedule or until the expiry of a period of one year from the appointed day if such officer or other employee opts not to continue to be the officer or other employee of such Tribunal, Appellate Tribunal or other Authoritieswithin such period.