Section 12(2) in The Banking Companies (Acquisition and Transfer of Undertakings) Act, 1980
(2)Save as otherwise provided in sub-section (1), every officer or other employee of an existing bank shall become, on the commencement of this Act, an officer or other employee, as the case may be, of the corresponding new bank and shall hold his office or service in that bank on the same terms and conditions and with the same rights to pension, gratuity and other matters as would have been admissible to him if the undertaking of the existing bank had not been transferred to and vested in the corresponding new bank and continue to do so unless and until his employment in the corresponding new bank is terminated or until his remuneration, terms or conditions are duly altered by the corresponding new bank.