Central Goods & Services Tax Commissionerate Delhi South
Address: 2nd & 3rd Floor EIL Annexe Building Bhikaji Cama Place, New Delhi - 110066
Phone : 011-40785800, 26191254
Email : commr.gstsouth@gov.in
GSTN Helpdesk
Helpline: 0124-4688999
Email: helpdesk[at]gst[dot]gov[dot]in
CBIC Helpdesk
Toll free Helpline:1800-1200-232
Email: cbecmitra[dot]helpdesk[at]icegate[dot]gov[dot]in