law: Companies Act, 1956
  Sec 147    -    
  
  Publication of name by company. 
  (1) Every company
  (a) shall paint or affix its name and the
  
  address of its registered office, and keep the same painted or affixed, on the
  
  outside of every office or place in which its business is carried on, in a
  
  conspicuous position, in letters easily legible ; and if the characters
  
  employed therefore are not those of the language, or of one of the languages,
  
  in general use in that locality, also in the characters of that language or of
  
  one of those languages ;
  (b) shall have its name engraven in legible
  
  characters on its seal ; and
  (c) shall have its name and the address of its
  
  registered office mentioned in legible characters in all its business letters,
  
  in all its bill heads and letter paper, and in all its notices and other
  
  official publications ; and also have its name so mentioned in all bills of
  
  exchange, hundis, promissory notes, endorsements, cheques and orders for money
  
  or goods purporting to be signed by or on behalf of the company, and in all
  
  bills of parcels, invoices, receipts and letters of credit of the company.
  (2) If a company does not paint or affix its
  
  name and the address of its registered office, or keep the same painted or
  
  affixed in the manner directed by clause (a) of sub-section (1), the company,
  
  and every officer of the company who is in default, shall be punishable with
  
  fine which may extend to five hundred rupees for not so painting or affixing
  
  its name and the address of its registered office, and for every day during
  
  which its name and the address of its registered office, is not so kept painted
  
  or affixed.
  (3) If a company fails to comply with clause
  
  (b) or clause (c) of sub-section (1), the company shall be punishable with fine
  
  which may extend to five thousand rupees.
  (4) If an officer of a company or any person
  
  on its behalf
  (a) uses, or authorizes the use of, any seal
  
  purporting to be a seal of the company whereon its name is not engraven in the
  
  manner aforesaid ;
  (b) issues, or authorizes the issue of, any
  
  business letter, bill head, letter paper, notice or other official publication
  
  of the company wherein its name and the address of its registered office are
  
  not mentioned in the manner aforesaid ;
  (c) signs, or authorizes to be signed, on behalf
  
  of the company, any bill of exchange, hundi, promissory note, endorsement,
  
  cheque or order for money or goods where in its name is not mentioned in the
  
  manner aforesaid; or
  (d) issues, or authorizes the issue of, any
  
  bill of parcels, invoice, receipt or letter of credit of the company, wherein
  
  its name is not mentioned in the manner aforesaid ;
  such officer or person shall be punishable
  
  with fine which may extend to five thousand rupees, and shall further be
  
  personally liable to the holder of the bill of exchange, hundi, promissory
  
  note, cheque or order for money or goods, for the amount thereof, unless it is
  
  duly paid by the company.