Chennai: A woman’s alert to police led to the arrest of her husband, a techie involved in buying and distributing ganja, in Thiruvottiyur on Tuesday. Police also arrested his friend, who assisted him in the trade.The accused, Raja, 28, lived in a private apartment in Thiruvottiyur and worked for an IT firm on Anna Salai. According to police, he purchased ganja in bulk and stored it at home where he split it into smaller packets for distribution among friends and acquaintances. Despite repeated objections from his wife and frequent quarrels, he continued the activity. Police said he also physically assaulted her when she protested.Worried about the consequences of his drug dealings, his wife eventually contacted the Chennai Police control room and shared their address. A team of the Thiruvottiyur police immediately conducted a search at the residence and seized ganja.During questioning, Raja disclosed that he procured the narcotic from Hariharan, 25, a resident of North Railway Station Road in Thiruvottiyur. Hariharan, in turn, sourced it from a dealer in North Chennai. Police said they admitted to acquiring it through a WhatsApp group in which there are more than 100 members and earned a commission in the form of ganja for every sale Raja facilitated.Both Raja and Hariharan were remanded in judicial custody. Police have registered a case and are now investigating others linked to the distribution network.