In order to import learners from a learner group to a particular batch, you can:
1. Click on "Courses" from side navigation bar.
2. Select "Batches"
3. You can search for the batch to which you want to add learners from learner group.
4. Once done, click on the batch for which you want to add learners from learner group.
5. Here, click on the "Add Learner" in the top right corner of your screen.
6. Select the option "Import from learner group" option.
7. Once done, select the "Learner Group" from the pop-up and
8. Select "Assign Learners"
Once this is done, the learners from the selected learner group will be added to the batch.