GCL Securities Demat account number is a 16-digit number combining the GCL Securities CDSL DP ID of 8 digits and your Client ID of 8 digits.
You can find your client ID under your profile on the GCL Securities website or mobile app. You can also find your Demat details in the Demat client master report.
The GCL Securities CDSL DP ID is 12082400. Thus, if your client ID is 99999999, your GCL Securities Demat account no. will read as 1208240099999999.