tender for hiring security services for day to day guarding on purely temporary basis of the office of the chief engineer, p.w.(roads), north zone, siliguri, entire c us and offices of the office of the executive engineer (p.w.d.), north bengal construction division, siliguri, the assistant engineer, (p.w.d.), siliguri construction sub division no.-ii, siliguri, entire c us and offices of the office of the assistant engineer (p.w.d.), siliguri sub division, siliguri, entire c us and offices of the office of the assistant engineer (p.w.d.), siliguri construction sub division no.- i, bagdogra, departmental godown at shaktigarh, siliguri and naxalbari stack yard/godown at naxalbari in the district of darjeeling.