https://www.scconline.com/blog/post/2020/10/29/officers-designated-under-section-53-of-the-ndps-act-are-police-officer-within-the-meaning-of-section-25-of-the-evidence-act-sc-holds-in-21-verdict-detailed-report/
Officers designated under Section 53 of the NDPS Act are "Police Officer" within the meaning of section 25 of the Evidence Act; SC holds in 2:1 verdict [Detailed Report]