One can chk the running train vacate birth status online by following link
bit.ly/dhM1OD
But this facility is available in following trains-
2009, 2015, 2015A, 2017, 2029, 2010, 2016, 2016A, 2018, 2030, 2031,...
more... 2032, 2917, 2918, 2951, 2952, 2953, 2954, 2425, 2426, 2957, 2958, 9109, 9110
Hope in future we would get this facility for every train...