Noida (UP): The Uttar Pradesh Special Task Force (STF) and the sales tax department has unearthed a Rs 13 crore tax fraud case involving two subsidiaries of a company which carried out the embezzlement by means of bogus invoicing, officials said on Saturday.

According to officials, the accused firms, RoundPay Techno Media and RoundPay Voice Tech, both registered at the same address in Lucknow, were involved in e-payment for utility services. They were involved in circular trading and had shown transactions worth Rs 72.7 crore between them, on which they claimed an input tax credit of Rs 13.09 crore at 18 per cent GST, a senior official said.