State Of Punjab vs Baldev Singh on 21 July, 1999
"18. What is the true scope and object of Section 50 of the
NDPS Act, what are the duties, obligation and the powers
conferred on the authorities under Section 50 and whether
the compliance of requirements of Section 50 are
mandatory or directory, remain no more res integra and
are now settled by the two decisions of the Constitution
Bench of this Court in State of Punjab v. Baldev
Singh [State of Punjab v. Baldev Singh, (1999) 6 SCC 172 :