6E 2052 then 6E 6704 at Mumbai
Lucknow → Mumbai → New Delhi
Timetable, Mumbai time
10:306E 2052 from Lucknow at the gate
02:106E 6704 to New Delhi leaves the gate
15 h 40 apart on the timetable, overnight
6E 6704 leaves 15 h 40 after 6E 2052 arrives on the timetable: more than half a day, so not a connection we count.