‘6. … “10. … And the jurisdiction of a Magistrate to take cognizance of any offence is provided by Section 190 of the Code, either on receipt of a complaint, or upon a police report or upon information received from any person other than a police officer, or upon his knowledge that such offence has been committed. So far as public servants are concerned, the cognizance of any offence, by any court, is barred by Section 197 of the Code unless sanction is obtained from the appropriate authority, if the offence, alleged to have been committed, was in discharge of the official duty. The section not only specifies the persons to whom the protection is afforded but it also specifies the conditions and circumstances in which it shall be available and the effect in law if the conditions are satisfied. The mandatory character of the protection afforded to a public servant is brought out by the expression, “no court shall take cognizance of such offence except with the previous sanction”. Use of the words “no” and “shall” makes it abundantly clear that the bar on the exercise of power of the court to take cognizance of any offence is absolute and complete. The very cognizance is barred. That is, the complaint cannot be taken notice of. According to Black’s Law Dictionary the word “cognizance” means