law: Trade Union Act, 1926 
  2. Definitions 
  In this Act 7["the appropriate government"
  
  means, in relation to trade unions whose objects are not confined to one State,
  
  the Central Government, and in relation to other trade unions, the State
  
  Government, and], unless there is anything repugnant in the subject or
  
  context,- 
  (a) "executive" means the body, by whatever name
  
  called, to which the management of the affairs of a trade union is entrusted;
  (b) 8 "[office-bearer]" in the case of a
  
  trade union, includes any member of the executive thereof, but does not include
  
  an auditor;
  (c) "prescribed" means prescribed by regulations made
  
  under this Act;
  (d) "registered office" means that office of a trade
  
  union which is registered under this Act as the head office thereof;
  (e) "registered trade union" means a trade union
  
  registered under this Act;
   9  [(f) "Registrar" means- 
  (i) a Registrar of Trade Unions appointed by
  
  the appropriate government under section 3, and includes any Additional or
  
  Deputy Registrar of Trade Unions, and
  (ii) in relation to any trade union, the
  
  Registrar appointed for the state in which the head or registered office, as
  
  the case may be, of the trade union is situated;]
  (g) "trade dispute" means any dispute between
  
  employers and workmen, or between workmen and workmen, or between employers and
  
  employers which is connected with the employment or non-employment, or the
  
  terms of employment or the conditions of labor, of any person, and "workmen"
  
  means all persons employed in trade or industry whether or not in the
  
  employment of the employer with whom the trade dispute arises; and
  (h) "trade union" means any combination, whether
  
  temporary or permanent, formed primarily for the purpose of regulating the
  
  relations between workmen and employers or between workmen and workmen, or
  
  between employers and employers, or for imposing restrictive conditions on the
  
  conduct of any trade or business, and includes any federation of two or more
  
  trade unions:
  PROVIDED  that this Act shall not affect- 
  (i) any agreement between partners as to their own business;
  (ii) any agreement between an employer and those employed by him
  
  as to such employment; or
  (iii) any agreement in consideration of the sale of the goodwill
  
  of a business or of instruction in any profession, trade or handicraft.