Help me in dual tax under service tax rle

SUPPOSE MR A PROVIDE SERVICE OF RS.100  AND TOTAL VALE OF SERVICE ALONG WITH SERVICE TAX IS RS.110.3.

MR A IS A CONTRACTOR AND COMES UNDER TDS 194 C. NOW I HAVE TO DEDUCT TDS UNDER SEC 194C. THEN WHAT SHOULD E THE AMOUNT ON WHICH THE TDS TO BE DEDUCTED? IS IT RS.100 OR RS.110.3. KINTDLY ANSWER ME AND IF POSSIBLE GIVE THE NOTIFICATION NO ALSO.  ITS URGENT.THANKS IN ADVANCE.