As far as eating fruits are concerned, there is a little difference in opinion. The older generations believe in the consumption of fruits with or just after meals, however, new research has revealed that consumption of fruits during or just after meals may cause GI symptoms like gas, acidity, etc. Also they may hinder or impair the absorption of certain nutrients due to their constituents. With due respect to traditions and customs, it is better to avoid situations where large amount of consumption of fruits take place just after meals and in situations where it is mandatory, you should stick to only one helping.
Raw salads like cucumber, onion, carrots, tomato, broccoli, capsicum, radish, beet roots are made by nature in a way that they can be consumed without any additives. We only add the chilli powder to enhance taste of these foods. They just need to be washed very well. Green leafy vegetables need to be soaked for about 10-15 minutes in a potassium permanganate dilute solution, all this is done to ensure absence of impurities and bacteria. The closer you keep to nature the more potential benefits will you be able to derive out of the foods you consume in their natural state. This will definitely take care of a lot of health problems. Contraindications have been found in case of patients with gastrointestinal disorders like flatulence, irritable bowel syndrome, etc.