Punjab vigilance bureau has unearthed a tax evasion racket involving crores of rupees. It has booked even more persons, including a divisional excise and taxation commissioner (DETC) and four assistant excise and taxation commissioners (AETC). An FIR has been registered on August 21 after the arrest of six persons, including four excise officers. A raid was conducted at a house of an AETC in Pathankot left vigilance officials in a tizzy.“During custodial interrogation, an ETO told us that all ETOs used to give Rs 25,000 per month to the DETC,” said VB official.