She further said that if there are any technical glitches, they will be known only next month when the traders or taxpayers file their returns. She further said that, as far as the department is concerned, there are no technical glitches. The taxpayers need to change their billing systems to align with the new tax regime to accommodate the reduced prices. "I think I'm sure that the GSTN ( goods and service tax network) is on it (if there are any technical glitches). So, from our side, there are no technical glitches as such," Haritha added.