Description :
Tenders for Execution Of Deep Cleaning, Regular Cleaning Of Each Floor Including Back Up House Areas Of Concourse & Platform Level, Entry Exit Areas, Subways (jessore Road Side & Airport Side) , Track Area, Undercroft Areas Of Nscbi Airport Metro Station, Yard, Cut & Cover Tunnel And Adjoining Area Over Ground Including Disposal Of Debris/rubbish From Ch. 5030m To 7026m, In Connection With Extension Of Metro Railway From Noapara To Barasat Via Bimanbandar