(6)If, where any matter is reported or referred to the Registrar under this section, he considers that the case is one in which a prosecution ought to be instituted, he shall report the matter to the Central Government; and that Government may, after taking such legal advice as it thinks fit, direct the Registrar to institute proceedings:Provided that no report shall be made by the Registrar under this sub-section without first giving the accused person an opportunity of making a statement in writing to the Registrar and of being heard thereon.