Timing is clashing with Indore nagda passenger. Also at 7:30 YOU also have veerbhumi express though it travels long distance. I would suggest a DEMU between MHOW Ujjain via Fatehabad would be more useful but for that we will have to wait for GC of FTD ujjain. For the time being you can think of extending the ujjain nagda MEMU upto Mhow