It is worthwhile to get vaccinations and immunizations against the following prior to travel to India. Tetanus and Diphtheria, Polio, Typhoid, Hepatitis A and B, Meningococcal meningitis, TB, Rabies and Japanese B encephalitis. Record all vaccinations in the International Health Certificate available at your local Physician or Health department.
International tourists should carry their Yellow Fever Vaccination Certificate conforming to International Health Regulations, if they originate or are transiting through countries where Yellow Fever is endemic. International travelers / tourists originating from the USA, UK and Canada do not require any mandatory vaccinations.
The International Health Certificate is not normally asked for by immigration officials; however it is better to carry one. It may be of immense help in case of a medical emergency.
To avoid Malaria and Dengue fever, carrying mosquito repellents, nets, and using sprays against insects in rooms is usually sufficient. Taking a first aid kit carrying adhesive bandages, thermometer, water-purification tablets, antibiotics, antiseptic creams and mosquito repellents is recommended.