Delhi Transco Limited (A Government of NCT of Delhi Undertaking) invites online bids for a turnkey project involving design, engineering, supply, erection, testing and commissioning along with associated civil works and automation. Tender No.: T25P111926Tender ID: 2026_DTL_294322_1Unique No.: DTL-0061-250626 Scope of Work: 66kV GIS at 220kV Substation BTPS with 3×160 MVA Power Transformers. 66kV GIS at 400/220/66kV Substation Dwarka with 3×160 MVA Power Transformers. Extension of 6 GIS Feeder Bays at 400/220/66kV Substation Harsh Vihar. Last Date & Time for Bid Submission: 14 August 2026 at 1:30 PM All corrigenda, amendments, extensions and clarifications will be published only on the official tender portals. Contact Information:Delhi Transco Limited (DTL)Government of NCT of DelhiTender Portal: https://govtprocurement.delhi.gov.inWebsite: www.dtl.gov.in