Tender For a/r & m/o of ei & fans i/c compound light motor pumping set, sub station and ac machine, fire alarm system, wet riser system and 380 kva diesel generator set in 10,11,12 storied office cum laboratory building & ancillary building of sector-ii, salt lake kolkata for the period of 2025-26 (sh- servicing cum overhauling of ht panel, transformer including dehydration of transformer, oil top up etc.).subwork/packages:servicing cum overhauling of ht panel, transformer including dehydration of transformer, oil top up etc.