SC. Clarifications on NDPS Act, Overruling judgments apply retroactively: Case of Directorate of Revenue Intelligence vs Raj Kumar Arora, SC Judgement Dated 17th April 2025. The apex court has clarified on Narcotics Drugs and Psychotropic Substances (NDPS) Act and reiterated the established legal principle that when a judicial precedent is overruled, the subsequent judgment operates retrospectively, impacting past transactions unless explicitly stated otherwise by the court. (SC Judgement Dated 17/04/2025)