You can follow these simple steps:
On the app:
Home page → Mutual Funds (either from the center of the screen or from the bottom tab) → Click on the goal you want to withdraw from → More (bottom right) → Redeem.
On the website:
Click on the 3 dots beside the goal → Redeem
Once on the redeem page (from app/website), you can then enter the amount you wish to redeem, or use any shortcuts such as Redeem All, Redeem All Exit load free, etc.
You can also refer to these screenshots to guide you:
1. Click on the Mutual Funds section.
2. Click on the goal from which you wish to redeem.
3. Click on "More, Select "Redeem", and select any reason for redemption.
4. Enter the amount you wish to redeem, or use any shortcuts such as Redeem All, Redeem All Exit load free, etc.
5. Review and Confirm. You can also see check details about how much exit load charges or/and taxes may be applicable (as shown below)
In case you wish to redeem from any particular funds of your choice, you can refer to this FAQ.
If you wish to check by when the redeemed amount will get credited to your bank account, refer to this FAQ.