(a) Sign or authenticate a birth or death certificate required by any law or rule to be signed or authenticated by a duly qualified medical practitioner;
(b) Sign or authenticate a medical or physical fitness certificate required by any law or rule to be signed or authenticated by a duly qualified medical practitioner;
(c) Give evidence at any inquest or in any court of law as an expert under section 45 of the Indian Evidence Act, 1872 on any matter relating to medicine.