its touch and go sir
.
bsr to st is 2 hr 35 min journey ( if non stop at bsr )
premium will cross bsr in between 14.05 - 14.15 ( if on time )
suryanagri...
more... crosses bsr at 14.15-14.20 ( if on time )
.
if premium gets late by 40-45 mins which is most likely then surely it will overtake suryanagri between bsr and adi.