Audit under GST involves examination of records, returns and other documents maintained by a GST registered person. It also ensures correctness of turnover declared, taxes paid, refund claimed, input tax credit availed and assess other such compliances under GST Act to be checked by an authorized expert. GST is a trust-based taxation regime wherein a taxpayer is required to self-assess his tax liability, pay taxes and file returns. Thus, to ensure whether the taxpayer has correctly self -assessed his tax liability a robust audit mechanism is a must. Various measures are taken by the government for proper implementation of GST and audit is one amongst them.