Why do the big red cross is used at the last bhoogi of the train?

Question

Why do the big red cross is used at the last bhoogi of the train?

Answer 1

it is to confirm the last carriage.as it passes through a station mainly country stations where electrification doesnt need to be used,the station master would watch the train pass his station and when the last carrige go passed him he then will transmit a message something like "tran no passed and complete ".then the driver will know his train is complete and passed.

Answer 2

What are you talking about???

Answer 3

to mark the end of the train

Answer 4

I think it has something to do with indicating the last carriage in a train.  It is often accompanied by a red lantern of somekind.

Answer 5

Spelling and grammar, please!