Bihar police registered 4,232 cases under the NDPS Act, India’s narcotics law, and arrested 6,104 accused between the start of 2026 and 27 October 2026.[1][2][3][4][5][6] The 2026 figures were presented at a high-level review meeting chaired by Chief Secretary Pratyaya Amrit on 4 November 2026.[1] The prohibition and state narcotics-control bureau presented the statewide enforcement account at that meeting.[1] By comparison, police recorded 2,583 cases and 3,562 arrests in all of 2025.[1][2]

Police said they seized 46,549.95 kg of ganja, the cannabis component recorded here, by 27 October.[1][2][3][4][5][7][6] Araria led the district figures with 10,573 kg of ganja recovered.[1][4][5][6] Supaul and Madhubani followed with 8,813 kg and 4,483 kg of ganja respectively.[1][4][5] The same drive also recovered 149.696 kg of heroin, brown sugar and smack, alongside large numbers of pills, injections and codeine syrup bottles, which are not counted as cannabis.[1][3][7] Police also reported 1,156,380 pills and capsules, 492,870 injections and 511,988 bottles of codeine cough syrup seized.[1] Police said destruction of seized narcotics rose about 10.1 times over 2025 to reach 25,247 kg in 2026, a combined-drugs total not counted as cannabis.[1][5] Separately from cannabis, action against illegal opium cultivation led to 37 cases against 198 accused and destruction of 512.235 acres of opium crop in crop year 2025-26.[1][3]

Officials said 1,652 cases had led to sentences for 2,225 accused between 2021 and August 2026 through 10 special courts.[1][2][5] The MANAS portal supplied 3,718 inputs, leading to 138 first-information reports.[1] The state ran a Nasha Mukt Bihar Abhiyan awareness campaign from 27 October to 26 November 2026 and ordered drug-free zones within 500 metres of educational institutions.[1][2][5]

In heroin seizures, Patna and Purnea recorded the highest figures.[2][3] Of the 512.235 acres of illicit opium crops destroyed, 508.755 acres were in Gayaji district.[2]

From 2023 to 27 October 2026, the state recorded a total of 11,347 cases and arrested 13,543 accused.[4] In heroin seizures, Patna with 24.1 kg and Purnea with 20 kg recorded the highest district figures.[4][5] Authorities received 132 proposals under the PIT-NDPS Act, of which 3 detention orders issued by the Home Department have been served.[4] Financial investigation of illegally acquired property was under way against 417 accused in 231 commercial-quantity cases.[4]

Checks focused on suspicious vehicles entering through the Nepal international border and the West Bengal, Jharkhand and Uttar Pradesh border routes.[7]