BA 941 then AI 130 at Heathrow
Düsseldorf → London → Mumbai
Timetable, London time
06:55BA 941 from Düsseldorf at the gate
20:30AI 130 to Mumbai leaves the gate
13 h 35 apart on the timetable
AI 130 leaves 13 h 35 after BA 941 arrives on the timetable: more than half a day, so not a connection we count.