optimization, design and construction of two 800 KV single circuit transmission lines from Kishanpura to Moga. The first set of contracts bearing nos. 331 and 333 were purely for sale of material, the tower parts were manufactured and supplied by M/s. Kalpataru Power Transmission Limited, Gandhi Nagar, Ahemdabad and M/s Transpower Engineering Limited, Mumbai, whereas the second set of contracts bearing nos. 332 and 334 were works contract, described as ‘Erection Contracts’. The same were got executed through the sub contractor M/s Mukand Engineering Limited. The dispute raised in the writ petition is pertaining to the assessment year 1999-2000. M/s Power Grid Corporation of India Limited for whom the petitioner was working deducted tax at source from the bills raised by the petitioner qua the works contracts and deposited the same with the State. During the year in question a sum of Rs. 12,60,813/- was deducted at source. As the petitioner had also got the job executed through a subcontractor, a deduction of 2% from the payment made to the sub-contractor was made and deposited with the Sales Tax Department. The certificates given to the petitioner by the Power Grid Corporation of India Limited on account of deduction at source on its behalf were submitted alongwith returns, however, at the time of framing of assessment on 28.5.2002 the credit thereof was not given to the petitioner. In the assessment order the taxable turnover was determined as nil. The credit for the amount of tax deducted at source on behalf of the petitioner was not granted by the assessing authority. Aggrieved against the order of assessment the petitioner filed appeal before the Deputy Excise and Taxation Commissioner (Appeals), who vide order dated 16.9.2004 while accepting the appeal, remanded the case back to the assessing authority for verification of the TDS certificates and passing a self speaking order within 90 days from the receipt of remand order and in case refund is due the same be granted to the petitioner. As the remand order was not passed within the period prescribed, the petitioner took the matter to the Sales Tax Tribunal Punjab, who vide order dated 27.4.2005 directed the assessing authority to decide the case within a period of one month. Though at the time of filing of the petition the proceedings were still pending before the assessing authority, however, during the pendency thereof vide order dated 20.2.2006 assessement was framed. By virtue of it a sum of Rs. 12,60,813/- was found