Follow the below steps:

1. Login with your account
2. Click on My menu on right hand side top and click Attendance Pending Approval link
   
3. Click on it and you shall see a screen like below:
   
4. Done

Note: In case you do not find the above link, just upgrade your Virtual bio-metric plugin to the latest version or write to This email address is being protected from spambots. You need JavaScript enabled to view it.