Superannuation :

“Superannuation”, in relation to an employee, who is the member of the Pension Scheme, means the attainment, by the said employee, of the age of fifty-eight years. [Section 2(ll)]

Different departments or branches of an establishment

Where an establishment consists of different departments or branches situated in the same place or in different places, all such departments or branches shall be treated as parts of the same establishment. (Section 2A)