Yes my friends from the subcontinent, who are from Kerala and Tamil-Nadu said how the northern states like Punjab have issues with hard drugs, addiction, etc. and told me how a lot of opium and heroin is either easily produced there or comes from nearby south and inner Asian countries. My friend from Kerala once smoked weed but just said how he did not like how it made his mouth taste like silver, and I think he took MDMA once. A relative of his just gave him a pill and he took it, but he was more into drinking.
The breakdown of family units is a problem. A black American friend of mine blames a lot of the bad behaviour of rioting, stealing, looting, or joining gangs and running wild on single mothers who try their best but when a kid, teen, or young adult becomes a certain age they will rebel or sometimes fight with their family. My friend was raised by parents who told him to get an education, work hard, and if he had ran wild in the streets, stolen, damaged property, etc. they would have been very angry at him or basically have told him, 'stop this nonsense now or else' and meant it.