Ludhiana: Unearthing another fake billing scam of Rs 200 crores, the directorate general of GST intelligence (DGGI) Ludhiana arrested the mastermind on Saturday. The accused have been identified Satveer Singh Sekhon. He is said to be engaged in wrongful availment and utilization of ineligible Input Tax Credit of 30.52 Crore without underlying supply of goods.