Hrishikesh Roy, J.

1. Heard Mr. N. Dutta, the learned Senior Counsel appearing for the petitioner. The respondents are represented by Mr. G.N. Sahewalla, the learned Senior Counsel. The petitioner is in the business of providing effluent treatment service for Oil & Gas Companies and claim to have the know how, the equipments and trained personnel to install effluent treatment plants at specified locations. The company responded to the notice inviting bid under Tender No. R16DC12015 issued by the ONGC on 7.8.2012 for hiring of 16 numbers of Package Effluent Treatment Plant (for short PETP) and the tender documents including the instructions to bidder, general conditions of contract etc. are enclosed as Annexure-2 series in the writ petition.

2. Notification Of Award (for short NOA) for hiring of 10 PETP was issued on 28.12.2012 (Annexure-3) at ONGC rigs located in Assam and it was indicated in the work order that mobilization time is 30 days from the issue of the NOA

3. The petitioner through their letter dated 4.1.2013 (Annexure-5) assured of mobilization of 5 PETPs before 14.1.2013 and the rest 5 to be mobilized immediately after the Magh Bihu festival. The concerned officer