Tender For repair and maintenance of electro mechanical services at ito nungambakkam, chennai 34. sh: repair and maintenance of wet riser system etc., in ito main, annexe i and annexe ii agaram and sigaram buildings at 121 mg road, chennai 34subwork/packages:sh 1 annual maintenance contract of fire fighting system at ito main annexe and wanarpathy building agaram and sigaram buildings sh 2 supply, installation, testing and commissioning of double door hose box 15m long rrl hose pipe along with allied works at income tax office main annexe and wanarpathy building