What is bengal lancers joke?

Unfortunately, as an AI language model, I do not have access to information about specific jokes. However, I can provide general information about the Bengal Lancers, which may be related to the joke.

The Bengal Lancers were a cavalry regiment of the British Indian Army that existed from 1903 to 1922. They were known for their distinctive uniform, which included a scarlet tunic with white facings and gold lace, white breeches, and a black fur busby with a white plume.

The Bengal Lancers saw action in various campaigns, including the First World War and the Third Afghan War. They were disbanded in 1922 as part of a reorganization of the Indian Army.

It is possible that the joke in question involves a humorous anecdote or pun related to the Bengal Lancers' uniform, history, or reputation. However, without further context or information, it is difficult to provide a more specific answer.