Construction of One ( 1 ) Nos. 275 m tall twin flue RCC chimney including Supply & Application of Borosilicate Glass Block Lining System with structural flue liners including all Civil, Structural Fabrication & Erection, RMC, Electrical and Elevator Works for 2X800 MW NTPC Singrauli STPP STAGE- III, Sonebhadra, Uttar Pradesh, India