ORDER :- As common questions are involved, the order in this petition shall govern the disposal of writ petitions No. 8541/03, 8571/03, 8622/03, 8652/03, 8734/03, 8740/03, 8962/03, 9041/03, 39/04, 461/04, 645/2004 and 1196/2004.

2. Petitioners in all these petitions are establishments carrying out activities of construction work for various departments of the State Government or the authorities, who are arrayed as respondents in this petition. Petitioners have been granted contract in accordance with the tenders submitted by them.

3. According to the petitioners, for the purpose of executing the work of construction awarded to them petitioners are required to use certain minor minerals like sand, bolders, gitti etc. which they have purchased them from the suppliers of these materials and the suppliers in turn have purchased from various mine owners and quarry owners. Grievance of the petitioners are that while settling the bills of the petitioners respondents are insisting upon production of No Objection Certificate from the mining department to show that royalty on the material has been paid as a condition precedent for finalisation of the bills. Inviting my attention to S