ARMO of various E & M Services installed in G plus 7, 3rd MSO Building CGO Complex GPOA at DF Block Salt lake Kolkata during the year 2026-27 (Providing & fixing light point with energy efficient LED fittings in corridor at CBI Gr Floor, 1st, 2nd, 3rd, 4th, AG Office 5th, ED Zone-I 6th & 7th Floor A to C wing Corridor CGO Complex)