Passengers intending to travel towards JND/KSD/VRL/SMNTH can board this train upto RJT. 59421 - RJT VRL passenger invariably waits for 19017 Saurashtra Janata Exp. Even if 19017 is late by hour or more, 59421 will not leave RJT junction. Therefore, it is a sure shot connection. The buffer time may be variable because 19017 is consistently late by 15 - 20 mins reaching RJT junction.