SG 87 then 6E 1056 at Bangkok
New Delhi → Bangkok → Chennai
Timetable, Bangkok time
02:45SG 87 from New Delhi at the gate
23:456E 1056 to Chennai leaves the gate
21 h apart on the timetable
6E 1056 leaves 21 h after SG 87 arrives on the timetable: more than half a day, so not a connection we count.