Do kindly read the train blogs as there are some information already shared by travellers:
just after boarding
One water bottle
Tea -Its ok (like any other train)
dineer at 19:45 (its good)
morning...
more... tea at 06:30 am (same taste)
second water bottle
then breakfast at 08:30
(two wada, sambahr, upma)
cutlet was also avalable but only cutet no bread
then again tea at 09:00 (same taste)
and finally lunch after kazipet around 12:00 pm
(samber, rice, three puri, pickle, curd, alo-mutter)
(catering input is for II Sleeper)