Upgradation Of Gpra Residential Colony In Phase I, Sector Vii, Antop Hill, Mumbai. Sh- Implementation Of Illuminated Display Boards For Building Identification Along Roads And Pathways At Cgs Colony Mumbai 37. Subwork/Packages:Upgradation Of Gpra Residential Colony In Phase I, Sector Vii, Antop Hill, Mumbai. Sh- Implementation Of Illuminated Display Boards For Building Identification Along Roads And Pathways At Cgs Colony Mumbai 37.