How to prepare service tax return & file it online?

for service tax return you can use the url https://www.aces.gov.in/STASE/switch.do?prefix=/ui/jsp/common&page=/loginpage.do once you loged in use the tab RET for return filing

How to prepare Service tax return & file it online? I am selected for the new job in which i have to do service tax efilling but i am not aware abt it?
 

Download the excel utility from the website -www.aces.gov.in.Fill it up and upload the return