#admins, update. This train has RSA with 12773/74 AC express.
It is as follows, Rake departs as 12774 SC-SHM AC express on tuesday. Arrives SHM on Wednesday, departs SHM on same day and arrives SC on Thursday, Friday rest. Saturday, departs as 12784 SC-VSKP express. reaches VSKP on Sunday. Departs VSKP same day and arrives SC on monday. Then departs as SC-SHM on tuesday and it repeats.