Intensifying its crackdown on the drug mafia in the interstate border region, the Nurpur district police have stepped up action against the financial networks of narcotics traffickers. Freezing orders against assets worth Rs 1.01 crore in a drug case registered at Indora were confirmed on Monday. With this, the total value of properties frozen by the district police and confirmed by the competent authority has reached Rs 31.71 crore.