Service tax on world bank aided project

DEAR SIR, WE ARE A CIVIL CONTRACTOR FIRM . WE HAVE BEEN AWARDED A PROJECT FOR REHABILITATION AND IMPROVEMENT WORK OF A DAM IN JHARKAHND.THIS PROJECT IS FUNDED AND AIDED BY WORLD BANK.WE WANT TO KNOW WHETHER SERVICE TAX WILL BE LEVY ON THE CONTRACT . OR IT WILL BE A EXEMPTED SERVICE .