The Construction & Maintenance Group of U.R. Rao Satellite Centre (URSC/ISRO) has issued Corrigendum-III extending deadlines for the horizontal extension of the CATVAC Cleanroom at the ISITE Campus in Marathahalli, Bengaluru. The estimated tender cost is ₹491.72 Lakhs. The document download period is extended to July 3, 2026, and the final receipt date for tenders is July 9, 2026, by 2:30 p.m. Detailed eligibility and official tender documents can be downloaded online via tenderwizard.com or isro.gov.in.