Section 2(1)(x) in Punjab Gramin Bank (Employees') Pension Regulations, 2018
(x)"retirement" means cessation from Bank's service,-(i)on attaining the age of superannuation as specified in the service regulations;(ii)on voluntary retirement in accordance with provisions contained in regulation 28;(iii)on premature retirement by the Bank before attaining the age of superannuation in accordance with provisions contained in regulation 30;