Agents transporting goods like arecanut to other states take GST registration in the name of economically backward people; if the consignment is caught, authorities cannot recover tax and fine as the people have no assetsIn a significant development in curbing tax evasion, the state goods and sales tax (GST) intelligence squad has unearthed a ‘bill trading’ fraud in Kerala. The intelligence wing exposed the mafia after a tip-off regarding benami GST registrations taken in the names of persons in low or nil-income categories, who are used by the arecanut smuggling mafia based in Palakkad, Malappuram and Thrissur districts.According to the intelligence wing, the activity spreads to several states, Nagpur being a major area where goods are transported to.