law: The Inland Vessels Act, 2021
  8. Construction, alteration or modification of mechanically propelled inland vessel.-
  (1) No person shall construct any mechanically propelled inland vessel, or alter or modify any mechanically propelled inland vessel so as to affect its strength, stability or safety, except with prior approval of the designated authority, in such manner as may be prescribed by the Central Government.
  (2) The list of alterations or modifications referred to in sub-section (1), which would affect the strength, stability or safety of any mechanically propelled inland vessel, and the criteria therefor, shall be such as may be specified by the Central Government, by notification.