You can check your demat account number online by following the below steps-

1. Logging in online to https://markets.iiflcapital.com/home

2. Click on the dropdown arrow at the top right corner

3. Click on Profile

4. Click on Demat Details section

From there you will be able to get your demat number.

1. Login to Mobile App

2. Click on the three line on top left corner

3. Click on View/Manage profile

5. Scroll to Demat Details section

From there you will be able to get your demat number.