This tender invites electronic bids for procurement of spare parts related to protection instrumentation and control at Tarbela 4th Extension Hydel Power Station in Khyber Pakhtunkhwa. The procurement falls under the power and electrical equipment category. Bids must be submitted electronically via EPADS by the specified deadline. The contract duration is 120 days and bids must comply with all regulatory requirements including registration with tax authorities and active taxpayer status. Bid security of PKR 137,500 is required in the form of a CDR payable to the Chief Engineer (O&M) at the station. Manual bids will not be accepted and electronic bids will be opened publicly on the closing date. Interested bidders should refer to the e-bidding documents available on the official EPADS portal. Contact details and submission instructions are provided for compliance and queries.