Section 68
Information as to commission of offences
Chapter 6: Procedure
No officer acting in exercise of powers vested in him under any provision of this Act or any rule or order made thereunder shall be compelled to say whence he got any information as to the commission of any offence.
The Narcotic Drugs and Psychotropic Substances Act, 1985 (Act No. 61 of 1985). From the updated text on India Code, with later amendments. Being checked against the official copy; amendment notes are not shown yet.