Here's how to redeem from a mutual fund:
1. Go to your Dashboard
2. Select the mutual fund you want to redeem from
3. Tap on the 'Redeem' button
4. Enter the amount to redeem
5. Tap on 'Confirm Withdrawal' The amount will take 3-4 working days to reflect in your bank account.
Note: Tax-saving ELSS funds have a lock-in of 3 years. Here is a GIF to show how you can do so when you open the Groww app.