“…Few of the models which are currently available to the public are FPETool [6] , EVACNET4 [7,8] , TIMETEX [9] , WAYOUT [10] , STEPS [11,12] , PEDROUTE / PAXPORT [13,14] , ASERI [15] , building EXODUS [16] , EXITT [17,18] , models available on consultancy basis are PathFinder [19] , EESCAPE [20] , Myriad [21,22] , there are other models which have not yet been released and others which are no longer in use.…”