disputes resolution. The version of PW2, a retired Assistant Engineer, is that he prepared Ext.A15 estimate on the basis of Ext.A16 plan, site plan etc. The mere fact that Ext.A15 is prepared sometime in 1992, after the commencement of the work or even towards its fag-end of its completion, does not impair its veracity and acceptability because when the plan, site plan and plan for the first floor, front elevation etc., were available as Ext.16, Ext.A15 estimate could have been easily prepared by a technically sound person on the basis of such plans. Ext.A16 was admittedly prepared by DW.5, a Civil Engineer of the defendant. He had deposed about that. Therefore, the plans were prepared by the defendant's Engineer DW.5 and the estimate was prepared by PW.2, a retired Assistant Engineer, who, going by the evidence, was apparently a neutral person since he was not involved in the supervision or in the carrying out of the work. Therefore, we are inclined to accept Ext.A15 as an acceptable estimate reflecting reasonable amounts as the estimated amount. To that extent, we do not find any ground for interference with