ST-3 return -Goods Transport operator

Dear Experts,

I want to fill the ST-3 return for goods transport operator.

There is one query regarding point D in ST-3 return "If abatement is claimed as per notification No. 1/2006-ST, please furnish Sr. No. in the notification under whichsuch abatement is claimed."  Which sr. no. to be put in this coloumn ?

We made a full payment of Transport bill. (e.g. bill amt. 31000 we made a payment to transporter Rs. 31000 on  31000 we also made a payment of service tax @ 10.3% through GAR-7) I am little confuse that which sr. no of notification to be put in the said coloum in st-3 return. Pl. reply with your valuable advice. Thanks in advance.

Aashish