law: Trade Marks Act, 1999  
  57. Power to cancel or vary registration and
  
  to rectify the register  .- 
  (1) On application made in the prescribed
  
  manner to the Appellate Board or to the Registrar by any person aggrieved, the
  
  tribunal may make such order as it may think fit for canceling or varying the
  
  registration of a trade mark on the ground of any contravention, or failure to
  
  observe a condition entered on the register in relation thereto.
  (2) Any person aggrieved by the absence or
  
  omission from the register of any entry, or by any entry made in the register
  
  without sufficient cause, or by any entry wrongly remaining on the register, or
  
  by any error or defect in any entry in the register, may apply in the
  
  prescribed manner to the Appellate Board or to the Registrar, and the tribunal
  
  may make such order for making, expunging or varying the entry as it may think
  
  fit.
  (3) The tribunal may in any proceeding under
  
  this section decide any question that may be necessary or expedient to decide
  
  in connection with the rectification of the register.
  (4) The tribunal, of its own motion, may,
  
  after giving notice in the prescribed manner to the parties concerned and after
  
  giving them an opportunity, of being heard, make any order referred to in
  
  sub-section (1) or sub-section.
  (5) Any order of the Appellate Board
  
  rectifying the register shall direct that notice of the rectification shall be
  
  served upon the Registrar in the prescribed manner who shall upon receipt of
  
  such notice rectify the register accordingly.