ahmedabad while fake billing scams unearthed by the central goods and services tax cgst department in gujarat have cost the exchequer rs 4266 crore officials have managed to recover just 35 of the sum evaded according to data tabled in parliament by the union ministry of finance six years after the new tax regime was rolled out such losses have been massive despite several policy changes so far rs 10278 crore has been recovered by the cgst department and 45 people have been arrested in connection with 570 cases state gst officials say the changing modi operandi of scamsters is making it difficult to detect evasion several measures have been proposed to combat fraudulent gst registrationsbased on the recommendations of gst council subrule 4a has been inserted to rule 8 of the cgst rules 2017 to provide for riskbased biometric aadhaar authentication of applicants a project in this regard is being undertaken on a trial basis in three states and union territories the ministry told parliament gujarat is one of the states where biometric verification has been made mandatory gujarat ranks fourth in terms of the number of fake billing cases detected between july 1 2017 and june 30 2023 the six years that gst has been in effect some 570 cases were registered by the cgst department for fake billing scams in gujarat which involved cumulative evasion of rs 2902 crore we are focusing on using business intelligence tools to analyze returns and identify patterns in fake billing said a source