BA 339 then VS 316 at Heathrow
Nice → London → Bengaluru
Timetable, London time
12:25BA 339 from Nice at the gate
11:55VS 316 to Bengaluru leaves the gate
23 h 30 apart on the timetable, overnight
VS 316 leaves 23 h 30 after BA 339 arrives on the timetable: more than half a day, so not a connection we count.