The Narcotic Drug and Psychotropic Substances Act (NDPSA) was passed in the year:

Correct option is B

The NDPS Act was enacted in 1985 to regulate narcotic and psychotropic substances and curb drug abuse. Explanation of options:
· (a) ✘ Not the correct year.
· (b) ✔ Correct; original enactment year.
· (c) ✘ Related to amendments, not original act.
· (d) ✘ Irrelevant year for this context.