Overview In 2025 , the Narcotics Control Bureau (NCB) seized 2,362 kg of narcotic drugs, primarily ganja , leading to the arrest of 46 suspects . The Chennai Zone of the NCB has adopted a focused strategy aimed at dismantling the structural, organizational, and financial foundations of drug-trafficking networks. Emphasis was placed on financial investigations targeting the illegally acquired assets of arrested individuals. Key Developments Significant Seizure: A joint operation with the Customs Intelligence Unit resulted in the seizure of 7.618 kg of cocaine in a pan-India operation. Financial Investigations: In 2025 , financial investigations were conducted against six persons , leading to the freezing of assets worth ₹12.33 crore , including movable and immovable properties. Hawala Operator Arrest: A hawala operator from Dubai , facilitating drug trafficking between India and Sri Lanka , was identified and arrested while attempting to flee the country. Illegally acquired assets worth ₹2 crore were identified and frozen. Prosecution Success: Out of 15 cases disposed of, 11 resulted in conviction, achieving a conviction rate of 73.33% . The convicted individuals received sentences ranging from 10 to 20 years of rigorous imprisonment. Intelligence Sharing: The NCB shared actionable intelligence with the Enforcement Bureau CID of the Tamil Nadu police and participated in joint operations. Emerging Trends: A decline in the consumption of amphetamine-type stimulants was noted, with a shift towards hydroponic weed and prescription drugs. UPSC Relevance This news is relevant to GS3: Internal Security , specifically concerning drug trafficking and its control. The actions of the NCB , the focus on financial investigations, and the emerging trends in drug consumption are all important aspects for understanding the challenges in combating drug-related crimes. Important Facts The NCB is the primary agency responsible for combating drug trafficking in India. Financial investigations are a crucial tool in dismantling drug networks by targeting their financial resources. The shift towards hydroponic weed and prescription drugs indicates evolving patterns in drug abuse. International cooperation is essential in combating drug trafficking, as highlighted by the arrest of the hawala operator.