There are two ways of doing this:
On the website:
Method 1 - Dashboard → Click on the 3 dots beside the goal from which you want to withdraw → Redeem → Select any reason for redeeming → Custom (tab beside Quick Redeem)→ Enter the amount you want to withdraw from any funds → Review and Confirm Redemption.
Method 2 - Dashboard → Click on the goal from which you want to withdraw → Click on the fund from which you want to withdraw → Redeem → Select any reason for redeeming → Enter the amount you want to withdraw from any funds → Review and Confirm Redemption.
On the app:
Method 1 - Dashboard → The goal from which you want to withdraw → More → Redeem → Select any reason for redeeming → Custom Redeem → Next → Enter the amount you want to withdraw from any funds → Review and Confirm Redemption.
Method 2 - Dashboard → Click on the goal from which you want to withdraw → Click on the fund from which you want to withdraw → Redeem → Select any reason for redeeming → Enter the amount you want to withdraw from any funds → Review and Confirm Redemption.
If you wish to check by when the redeemed amount will get credited to your bank account, refer to this FAQ.