law: 30. Right of persons who are enrolled on the Indian veterinary practitioners register.-
  No person, other than a registered veterinary practitioner, shall-
  (a) hold office as veterinary physician or surgeon or any other like office (by whatever name called) in Government or in any institution maintained by a local or other authority;
  (b) practise veterinary medicine in any State:
  Provided that the State Government may, by order, permit a person holding a diploma or certificate of veterinary supervisor, stockman or stock assistant (by whatever name called) issued by the Directorate of Animal Husbandry (by whatever name called) of any State or any veterinary institution in India, to render, under the supervision and direction of a registered veterinary practitioner, minor veterinary services.
  Explanation.-"Minor veterinary services" means the rendering of preliminary veterinary aid, like, vaccination, castration, and dressing of wounds, and such other types of preliminary aid or the treatment of such ailments as the State Government may, by notification in the Official Gazette, specify in this behalf;
  (c) be entitled to sign or authenticate a veterinary health certificate or any other certificate required by any law to be signed or authenticated by a duly qualified veterinary practitioner;
  (d) be entitled to give evidence at any inquest or in any court of law as an expert under section 45 of the Indian Evidence Act, 1872 (1 of 1872), on any matter relating to veterinary medicine.