Business includes –

(a) any trade, commerce, manufacture, profession, vocation, adventure, wager or any other similar activity, whether or not it is for a pecuniary benefit;

(b) any activity or transaction in connection with or incidental or ancillary to sub-clause (a);

(c) any activity or transaction in the nature of sub-clause (a), whether or not there is volume, frequency, continuity or regularity of such transaction;

(d) supply or acquisition of goods including capital goods and services in connection with commencement or closure of business;

(e) provision by a club, association, society, or any such body (for a subscription or any other consideration) of the facilities or benefits to its members;

(f) admission, for a consideration, of persons to any premises;

(g) services supplied by a person as the holder of an office which has been accepted by him in the course or furtherance of his trade, profession or vocation;

(h) [activities of a race club including by way of totalisator or a license to book maker or activities of a licensed book maker in such club; and]5

(i) any activity or transaction undertaken by the Central Government, a State Government or any local authority in which they are engaged as public authorities;