Writs under Constitution--Service tax--Recovery sought of service tax paid on behalf of respondent--No stipulation in contract of liability of respondent to pay service tax--No documents furnished to establish liability of respondent to pay service tax--No admission of liability to pay service tax by respondent--High Court will not direct recovery of amount--Finance Act (32 of 1994)--Constitution of India, art. 226.--Brahmaputra Infrastructure Ltd. v. Delhi Development Authority (Delhi)