supply and installation of double inlet centrifugal blower assembly complete with mounting brackets. confirming torcf drg no. lw75205 and rcf spec.no. edts-331, corr-3 or latest, type-1 suitable for lhb type ac coaches with technical parametersas per rdso letter no. el/0.6/lhb eog ac coaches dt. 07.09.18 ( material should be supplied with purchase proof from oem or itsauthorised dealer only ) .