contract for conversion of non vrs nozzles to vrs enabled nozzles at ros under west bengal state office.note - 1. bidders may quote above ( + ) / below ( - ) / at par ( o ) considering all items of sor in appropriate box. bidders intending to quote at parmust quote 0 ( zero ) in the box below.2. bidder should quote their rate by selecting less ( - ) or excess ( + ) in the drop down box and thereafter filling the percentage rate in figures ( maximum two digits after decimal ) only without any condition.3. the acceptable quoted rate by bidder shall be applicable uniformly on all the items under boq.4. the rates / amount mentioned in the boq are excluding gst. gst shall be payable as per prevailing rates based on the tax invoice submitted by the contractor