AI 2275 then AI 131 at Mumbai
Colombo → Mumbai → London
Timetable, Mumbai time
18:50AI 2275 from Colombo at the gate
14:05AI 131 to London leaves the gate
19 h 15 apart on the timetable, overnight
AI 131 leaves 19 h 15 after AI 2275 arrives on the timetable: more than half a day, so not a connection we count.