Section 12
Examining Blood, Semen Etcetera
12. Examining blood, semen etcetera:
From the nature of the crime, if there is  reasonable ground to believe that examination of blood, semen or any organ of body or any other thing of the person arrested may produce evidence relating to the crime, the investigating Police personnel may examine such blood, semen, organ or any  other thing by a Government Medical Practitioner or in laboratory. Provided that if it is necessary to examine the body-part of a woman it shall be conducted if possible, by a female Medical Practitioner or by a woman at the instruction of a male Medical Practitioner.