IX 1023 then IX 1549 at Mumbai
Coimbatore → Mumbai → Bengaluru
Timetable, Mumbai time
10:35IX 1023 from Coimbatore at the gate
05:55IX 1549 to Bengaluru leaves the gate
19 h 20 apart on the timetable, overnight
IX 1549 leaves 19 h 20 after IX 1023 arrives on the timetable: more than half a day, so not a connection we count.