Section 10(1)(g) in The Securities and Exchange Board of India Act, 1992
(g)every employee holding any office under the existing Securities and Exchange Board immediately before that date shall hold his office in the Board by the same tenure and upon the same terms and conditions of service as respects remuneration, leave, provident fund, retirement and other terminal benefits as he would have held such office if the Board had not been established and shall continue to do so as an employee of the Board or until the expiry of the period of six months from that date if such employee opts not to be the employee of the Board within such period.