Replacement of Lime concrete roof slabs with RCC slab, strengthening of load bearing walls & Arches, restoration of architectural design elements and other civil, sanitary & electrical works in Old Assembly Building in the premises of Telangana State Legislative Assembly, Hyderabad. Sub work :- Plumbing, drainage and sanitary fixtures to toilets in Old Assembly Building in the premises of Telangana State Legislative Assembly, Hyderabad,4th call