You can do the following to get rid of body odour.-
*maintain a good personal hygiene-bathing twice a day with lukewarm water,using a good antisceptic soap,using a clean towel and a good talcum powder helps you in maintaining a good personal hygiene and hence will also help you to get rid of body odour.
*avoid certain foods which may enhance the body odour.These are red meat,processed foods starchy and sugary foods,too much of onion and garlic.
*foods high in caffeine specially coffee, produces more of sweat and hence body odour.Thus caffeinated beverages should be taken in limited amounts.
*If you produce a more fishy kind of body odour then your body has a hard time in processing choline.Choline in widely present in fish,liver,eggs and beans.So in that case you need to limit on these foods.