tender for design and construction of underground section from charbagh metro station (ug) to r after chowk metro station (approx. 6.70 km including station lengths), including construction of r (approx. 350 m) to connect underground section to viaduct section, and construction of 07 (seven) underground metro stations, namely charbagh, gautam buddha marg, aminabad, pandey ganj, lucknow city, medical chauraha and chowk chauraha, including civil works, associated and ancillary structures, peb structures, architectural works, water supply, sanitary installation, drainage, external development, fire fighting arrangements, and complete electrical & mechanical (e&m) works, for phase-1b of lucknow metro rail project at lucknow, uttar pradesh, india, under uttar pradesh metro rail corporation.