User Guide for Enrollment on GSTN Portal (www.gst.gov.in) (Migration to GST)
Migration of Gujarat VAT dealers to GSTN portal
From 15-Nov-2016 for Gujarat State, Once Dealer will login on Gujarat Commercial Tax Department Portal (www.commercialtax.gujarat.gov.in) using his Login Id (VAT TIN) and credentials, It will show pop-up window which will show details of GSTN Provisional Id and Temporary password on screen to enrol on GSTN Portal (www.gst.gov.in). Enrolment Process schedule for Dealer of Gujarat State is from 15-Nov-2016 and 30-Nov-2016.
Refer https://www.gst.gov.in/ for further details for GSTN related process/news/video/user guide etc.
Download Complete Steps for Migration of Gujarat VAT dealers to GSTN portal
FAQ on GSTN Migration (English)