Extension Notice for submission of Tender Document under Tender Notice No. CUSB/PSD/EE/T/12/2024-25 dated 23/08/2024 for “Annual Operation & Maintenance Contract of 1 No. 11/0.433 KV Load Sub-Station, 3 Nos. D.G. Sets, External Lighting, Light Mast, Flag Mast, External Water Supply Line and Water Pump House etc. round the clock”