Directorate General of Goods and Service Tax (DGGST) is an attached office of Central Board of Excise & Customs, Department of Revenue, Ministry of Finance, New Delhi. The office of Director General of Goods & Service Tax has been formed in the year 2015 by shifting the headquarter of Directorate of Services Tax (DG ST) from Mumbai to Delhi and re-named as Directorate General of Goods and Services Tax (DG GST) w.e.f. 01.08.2015. The office is now situated at 5th Floor, MTNL (Telephone Exchange) Building, 8, Bhikaji Kama Place, New Delhi-110066.

This office has been entrusted with the task of assisting the Policy Wing of GST of CBEC, developing training modules, research and analysis work, acts as a Think Tank and an intermediary between the CBEC and field formations and coordinates with various Directorates of CBEC, Central Government Ministries/Departments and State/UT Government Ministries/Departments connected to GST and Information Technology.