FOS can Mark In/Out the attendance on the Mobile platform by following thes steps:

1. From BSNL Salesport Homepage, click on the "Mark Attendance" Option.
   
2. Capture an image by selecting the "Click" button.
   
3. To submit the captured image, click on the "Submit" button.
   
4. Lastly, complete the process by clicking on the "SUBMIT" button.
   
   (Note-For "Marking Out " your attendance follow the same steps as above)