supply of pump controller suitable for self priming monoblock pump assembly of lhb type ac coaches, confirming to rcf specification no. edts-186 rev- a, with ammendment no.1&2 and corr 1 & 2 and rcf annexure-1 .pump controller suitable for self priming monoblock pump assembly of lhb type ac coaches, confirming to rcf specification no. edts-186 rev- a, with ammendment no.1&2 and corr 1 & 2 and rcf annexure-1 .,pump controller suitable for self priming monoblock pump assembly of lhb ty pe ac coaches, confirming to rcf specification no. edts-186 rev- a, with ammendment no.1& 2 and corr 1 & 2 and rcf annexure-1 . [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]