Originally Posted by
LHR/MEL/Europe FF
So the advice could be that if you can manage without using the visa (for example stay in transit) then that might be preferable and save you time later.
Good point, try to stay in transit if at all possible (just follow the signs to International Connections/Transfers).
Here is
A_Lee's experience with a turnaround in BOM, though:
http://www.flyertalk.com/forum/milea...l#post12996055
In general, avoid talking to any security staff or they may give you a "wrong" answer and tell you to clear immigration first...