Service tax return for april - sept 2015

Dear Members

I am filing the return of a pvt ltd co. who is availing the gta service and liable to pay stax under reverse charge.

Kindly help with the following matter:

1. What Notification no. and serial no. should is input in Column A 12.2

2. What rate should I input in Column B 2.15, whether it should be 12 or 3.6 for aprl - may and 14 or 4.2 for june to sept

please advise.

regards

anupam agarwal