You have to shake hands when you're coming or going in Germany, but in Britain you usually only shake hands when you meet someone for the first time. You have to give your present in public in the Middle East to show it's not a bribe , but it's good manners to give your present in private in Asia. You mustn't give cutlery  in Latin America because it suggests that you want to cut off the relationship. You mustn't give a clock in China because the Chinese word for clock is similar to the word for funeral . "Come any time" means "I want you to visit me" in India. If you don't suggest a time and arrange a visit immediately, an Indian will think you are refusing the invitation. Offices are usually closed on Friday in Moslem countries. It's bad manners to discuss business at social occasion in India. In an English pub, you have to take your turn to buy a "round" drink for everyone in your group. In India, it is good manners to   _  .
give present in public to show it's not a bribe discuss business at a social occasion take your turn to buy drink for everyone in your group in a pub arrange a visit at once when an Indian says "come any time" to you