Tenders for Supply of Lamp Starter Ignitors - Starting Device For Hpsv Lamps, Metal Halide Lamps As Per Is:12449 Part 1 And 2 Q3, Lamp Ballast For Hpsv Lamps-Is:15882:2009, Is: 15885 Q3, High Pressure Sodium Vapour Lamps Hpsv Lamps As Per Is:9974 Pt.1 And 2 Q3, High Pressure Mercury Vapour Lamps - Is 9900 Q4, Led Tube Lights For Retrofitting At Ongc Installations Q3