Originally Posted by
beardedgeologist
Lots of info on the web about the fines that airlines receive when a pax is denied entry. Not sure about India, but seems the global average is in the $3500 mark! In other words, BA are going to be quite upset with the OP...
To play devil's advocate... it could be argued that BA shouldn't have let him board without the correct documentation (assuming that's why he got rejected).