In order to download the attendance report for a batch you can:
1. Click on "Courses" in the side-navigation bar.
2. Select "Batches"
3. Click on the batch for which the attendance report needs to be downloaded.
4. Click on the "Settings" button on the top-right corner of your screen.
5. Once done, select "Attendance" from the drop-down.
6. Click here to "Download" the report.