Punjab State Transmission Corporation Limited (PSTCL) invites open e-tenders under Tender No. STQ-2100 for the design, manufacture, testing, supply and delivery of 162 Nos. 66 kV, 39 Nos. 132 kV and 63 Nos. 220 kV SF-6 Circuit Breakers. Tendering Authority: Chief Engineer/TS, 3rd Floor, Shakti Sadan, PSTCL, Patiala Last Date/Time for Bid Submission: 11 September 2026 up to 11:00 AM Bid Opening: 14 September 2026 up to 11:00 AM Detailed NIT/Specification: https://eproc.punjab.gov.in.nicgep/app Contact: SE/TS (D), PSTCL Telefax: 0175-2207774 Email: se-trd@pstcl.org Website: www.pstcl.org RO No.: 1078/12/2026/27/14167 Location: Patiala, Punjab