Office of Principal Chief Commissioner Of GST & Central Excise
Address: 1ST FLOOR, CR BUILDING, I. P. ESTATE, NEW DELHI-110109
Phone : 23370737
Email : commradt1-cexdel@nic.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