MANGALURU: Banned substances worth over Rs 50 lakh have been seized and 61 drug peddlers arrested over the last two months in a special drive aimed at making Mangaluru drug-free, a senior police officer said on Friday. The confiscated drugs, include MDMA, ganja and charas, Mangaluru city police commissioner Kuldeep Kumar R Jain said. Two cases of selling drug-laced chocolates have also been detected while 108 kilograms of such chocolates have been seized. The police officer said awareness drives are being conducted in educational institutions.