In operational round (ops round) They may check your
compatibility with the job offered. And may also ask
questions to check your commitment to the job and company..
so make your answers in such a way..
All the best..

well, in an operations round, thy'l ask for your commitment 
wth company n job n may also ask whether" Are you willing 
to work in any shifts"( nite shft) depends  upon the job 
requirement; all you have to do is! Be confident thats it!
all the best:-)