“Raising, Strengthening and “Construction of Bituminous Road” (including reconstruction/restoration of structures) on Koshi embankment in different stretches estimated cost whereof was Rs. 117,35,43,672.00/-. Accordingly, Contract Agreement No. 01/SBD/2009-10 dated 10.11.2009 was signed between the parties. The Executive Engineer, Kanauli of the Water Resources Department at Birpur being the Nodal Officer of the Project signed on behalf of the State. The construction work was to be completed by 9.11.2011. The work involved three Executive Engineers of different/separate jurisdiction(s). Part of the work was to be done/executed in the Indian Territory. The petitioner was tagged to a quarry lying in Nepal territory for procuring construction materials. While the petitioner was continuing with the execution of work layer wise, it was noticed that one item of work i.e. Granular Sub Base (GSB) was not included in the agreement. This was necessary as per specification(s) prescribed by the Indian Road Congress. Realizing this mistake the respondent decided to provide 206 MM thick GSB below WMM layer in the construction of the road. This was communicated to the petitioner vide letter dated 12.05.2010 (Annexure-1) at least six months after the start of the work. The petitioner was verbally instructed to perform this extra item of laying GSB in the whole