If chennai exp is given the rake of jodpur-vsp arriving on monday then vsp - shirdi can become biweekly. As of now they are availability of rakes on monday and tuesdays at VSP may be new trains will be announced in budget 2014 or feb 2015 if vsp division sends proposals have to wait and see till budget otherwise the rakes will continue to operate as specials in peak seasons. If DRM think wise then the above mentioned change is rake may happen.