As you said you will go London on business tour after 2 days and for the same looking for Mumbai to London Flights info , so as on 18.4.2016 I have following info:

Mumbai To London Fare Schedule
18 Apr
Search
19 Apr
Rs. 24,048
20 Apr
Rs. 26,994
21 Apr
Rs. 22,669
22 Apr
Rs. 21,914
23 Apr
Rs. 21,940
24 Apr
Rs. 28,073


Mumbai - London Flight Schedule

Airline Dep - Arr Days Duration & Stops

BOMLON Virgin Atlantic (VS 8020) 01:40 - 06:45 ----F-- 9h 35m & Non Stop


BOMLON Jet (9W 120) 01:40 - 06:45 MTWTFSS 9h 35m & Non Stop


BOMLON British (BA 138) 01:55 - 07:00 MTWTFSS 9h 35m & Non Stop


BOMLON Air India (AI 131) 06:30 - 11:30 MTWTF-S 9h 30m & Non Stop


BOMLON Virgin Atlantic (VS 8018) 12:55 - 17:55 M----S- 9h 30m & Non Stop


BOMLON Jet (9W 118) 12:55 - 17:55 MTWTFSS 9h 30m & Non Stop


BOMLON British (BA 198) 13:10 - 18:15 MTWTFSS 9h 35m & Non Stop


BOMLON Lufthansa (LH 765) 00:50 - 08:10 -----S- 11h 50m & 1 Stop


BOMLON Swiss International (LX 155) 00:50 - 07:55 MTWTF-- 11h 35m & 1 Stop


BOMLON Air France (AF 217) 02:10 - 18:30 ----F-- 20h 50m & 1 Stop