Service tax Return is 6 Montlhy
Due Date is as follows
April-Sep 2016:- 25 Oct 2016
Oct-March 2016:- 25 April 2017
Download excel file For October 2016 to March 2017 Return
(This file can be used for April 2016 to Sep 2016 Return as well as Sep 2016 to March 2017 Return)
Direct Link to Download
http://acesdownload.nic.in/ACES%20UTILITIES%20DOWNLOADS.html
Download excel file For April 2016 -Sep 2016 Return
Download excel file For Oct 2015 -March 2016 Return
For Previous Period
Oct 2013 to March 2014
April 2014 to Sep 2014
Oct 2014 to March 2015
April 2015 to March 2016
Download from here
Direct link of Govt Website to Download
https://www.aces.gov.in/download.jsp
or
http://centralexcisechennai.gov.in/Chn_I_2016_Files/ACES/ACES_Download%20Utilities.htm
Learn all about Service tax here
http://www.teachoo.com/subjects/tax-practical/practical-service-tax/