0 , 3 3 2 ▁r km ▁of ▁optical ▁fib re ▁cable ▁had ▁been ▁commission ed . ▁Railway - control ▁communic ations , ▁essential ▁for ▁train ▁operations , ▁are ▁also ▁being ▁transferred ▁to ▁OF C . ▁Control ▁communic ations ▁on ▁ 3 7 , 3 8 9 ▁r km ▁have ▁been ▁shift ed ▁to ▁OF C . ▁ ▁Train ▁radio ▁ ▁Opt ical - f ib re ▁technology ▁has ▁also ▁a ided ▁mobile ▁tele phony ▁from ▁moving ▁trains . ▁With ▁this ▁technology , ▁the ▁driver ▁and ▁guard ▁can ▁talk ▁to ▁each ▁other ▁( and ▁to ▁the ▁control ▁centre ) ▁from ▁a ▁moving ▁train ; ▁this ▁would ▁be ▁especially ▁useful ▁in ▁an ▁emer gency . ▁ ▁Other ▁organis ations ▁Some ▁elect r ification ▁projects ▁have ▁been ▁entr usted ▁to ▁Rail ▁Vik as ▁N ig am ▁Limited , ▁a ▁public ▁sector ▁undert aking ▁( PS U ) ▁under ▁the ▁Ministry ▁of ▁Rail ways . ▁Rail ▁Vik as ▁N ig am ▁does ▁engineering ▁work ▁as ▁required ▁by ▁Indian ▁Rail ways , ▁and ▁small ▁elect r ification ▁projects ▁are ▁carried ▁out ▁by ▁z onal ▁rail ways . ▁ ▁See ▁also ▁ ▁Indian ▁Rail ways ▁ ▁List ▁of ▁railway ▁elect r ification ▁systems ▁ ▁Lo comot ives ▁of ▁India ▁ ▁References ▁ ▁External ▁links ▁CO RE ▁website ▁at ▁the ▁Internet ▁Archive ▁ ▁Category : G overn ment ▁ag encies ▁of ▁India ▁Category : R ail way ▁companies ▁of ▁India ▁Category : R ail way ▁elect r ification ▁by ▁country <0x0A> </s> ▁Ada ir ▁Township ▁is ▁one ▁of ▁eleven