Government of India has made a general rules and regulations pertaining to the health conditions of the tourists entering into India from all parts of the world they should possess their Yellow Fever Vaccination Certificate conforming to International Health Regulations, if they are originating or transiting through Yellow Fever endemic countries.
The travelers who are coming from an area with risk of yellow fever transmission and has not been disinfected in accordance with the provisions laid down in the Indian Aircraft Public Health Rules, 1954, or those recommended by WHO have to show the Yellow Fever Certificates as a proof of medical fitness. If any person, coming to India from any parts of the world either by air or sea without this Certificate, is subject to be detained in isolation for a period up to six days. However, if Government of India feels that a particular country is infected with Yellow Fever, that country is added to the list of Healthcare Regulation.
Keeping in mind the large interests of the health condition of the visitors, they are advised to wear long sleeved shirts and long pants from dusk through dawn and to take anti-malaria pills because the risk of malaria is involved in almost whole parts of the country except Himachal Pradesh, Jammu & Kashmir and Sikkim. But in case of cholera, the visitors are required to possess a certificate however an immunization against cholera is advisable.
General Health Tips
India is a very vast country with lot of variations in the geographical conditions where the taste of food and taste of water differs from region to region, so it is in the interest of the visitors to take care of their health by avoiding tap water, fountain drink, ice-cubes and are advised to drink only bottled or boiled water, or carbonated (bubbly) drinks in cans or bottles; avoid eating food from road side stalls; always use an insect repellent in a mosquito-prone area; use hats, sunglasses and UV lotions; bed bugs are found in low-end hotel rooms, so its better to look at the room before you check in; for AIDS prevention, apply the same caution as in any other country; be aware of dehydration and sun stroke/ sunburn.