The Central Industrial Security Force, CISF, has so far seized over eighty crore rupees at various airports throughout the country after demonetisation. The Director General of CISF, Om Prakash Singh said in Patna that one crore twenty lakh rupees cash have been seized at the Patna airport. Mr. Singh said the expansion of CISF has already been started. He said the staff strength of CISF has been increased to one lakh eighty thousand.