To update your email address,

1. Go to profile section from top right corner of your home screen and click on Account details

2. You will see your existing masked email address. Click on Edit

3. You will be redirected to the Kotak Securities website

4. You will have to update your new email address under "Email ID". Rest of the fields can be kept blank

5. Make a choice for implementing the change i.e. for trading account or demat account or both

Note: if you wish to make the change in DP profile, Rs. 49/- + GST will be charged as DP profile Updation fee

6. Click on Confirm

7. Your email address will be updated within 24 to 48 hours