Tender For corrigendum : repair maintenance of of wet riser and sprinkler system, automatic fire alarm system and 1 no. 500 kva diesel generator set i/c both the amf panel at bhasa bhawan and old annex building at national library complex, kolkata during 2024-25 (sh: providing ms pipe and firefighting accessories in ring main system and riser of bhasa bhawan, n. l. complex, kolkata).