There are fewer regulations, regarding health in India, applicable to foreign tourists. These regulations are more of the nature of prevention than anything else.
General Tips - Drink only bottled or boiled water, or carbonated (bubbly) drinks in cans or bottles. Avoid tap water, fountain drinks, and ice cubes. If this is not possible, make water safer by both filtering through an "absolute 1 micron or less" filter AND adding iodine tablets to the filtered water. "Absolute 1 micron filters" are found in camping/outdoor supply stores.
