IEI & Day to day regular electrical maintenance work at DDK, Kolkata for the period April 2024 to March 2025 (SH- As per requestion no-9 Dt. 08-01-2024, 10-Dt.25-01-2024, 11-Dt.21.03.24, 13-Dt.01-04-2024, 14-Dt.02-04-2024)