He said he had resigned because he had "no intention of causing embarrassment to the government".

BBC: Raja Bhaiyya: India minister quits over murder charge

Arriving late, causing embarrassment, behaving confrontationally, insisting too hard on paying a bill or calling attention to a mistake can all cause loss of face.

ECONOMIST: Business travel

Being late, causing embarrassment, confrontational behaviour, a public insult or calling attention to a mistake can all cause loss of face and could seriously damage a business relationship.

ECONOMIST: Business travel