ONLY TWO food outlets are present in the station complex.
1) Comesum, towards the left when you climb up to the main concourse.
Deals in full fledged north/south indian meals and snacks.
2) IRCTC food outlet, towards the right at the same place.
Deals...
more... in fast-food and casual snacks. Burgers, Patties, Tea, coffee, chips etc.
.
No vendors on the platforms. So buy it before proceeding ahead to the platforms, if you intend to.