Northern Railway has issued an e-tender notice (No: 128-W/280/Tender Notice/26-27/W-I) for the annual zone maintenance of track works across various sections—including SFDE, KUN, KKDE, SNP, PNP, and KLE—under ADEN/PNP and ADEN/KUN, with electronic bidding closing on 25-08-2026 and procurement document packages hosted on ireps.gov.in.