Chhattisgarh State Industrial Development Corporation Limited (CSIDC), Raipur, has invited online tenders from eligible electrical contractors registered under the Unified Registration System (e-Registration) with Chhattisgarh PWD for the work of Supply, Installation, Testing and Commissioning of two 11 KV/0.433 KV Sub-Stations (2 x 500 KVA) along with a 3-year Annual Maintenance Contract (AMC) for electricity connections at Working Women Hostels located at Koni and Uslapur, Bilaspur, Chhattisgarh. Tender No.: 20/CSIDC/E.E/Division-I/2026-27 Estimated Cost: ₹111.99 Lakh EMD: ₹84,000 Tender Document Fee: ₹3,540 (including GST) Completion Period: 4 Months Eligible Contractor Class: C Class and above (Unified Registration System) The tender document can be downloaded and submitted online through the Chhattisgarh e-Procurement Portal from 17 June 2026 onwards. State: Chhattisgarh