In order to assign a course to learners in a learner group, you can:
1. Click on "Users" from side navigation bar and
2. Select "Learner Groups"
3. Once done, click on the drop-down indicated by three dots against the learner group for which learner is to be assigned.
4. Select "Courses"
5. Once done, click on the drop-down indicated by three dots against the course for which the learner is to be assigned.
6. Select "Assign Learners"
7. In the confirmation pop-up, click on "Continue".
8. Select the batch from the drop-down in the pop-up that shows up.
9. Click on the "Assign Learners" button.
Once this is done, the learners from the group will be assigned to the batch.