law: The Motor Vehicles Act, 1988
  52. 
  
  Alteration in motor vehicle.
  Provided that  
  
  it shall not be necessary to obtain such approval, for making  any change  in 
  
  the  unlade weight  of the  motor  vehicle consequent on  the addition  or 
  
  removal of fittings or accessories, if such change does not exceed two percent. 
  
  Of the weight entered in the certificate of registration.
  Provided that  
  
  where the  owner of  the  motor  vehicle  has  not received any  such 
  
  communication within the said period of seven days, the approval  of such  
  
  authority to  the proposed  alteration shall be deemed to have been given.