Consider the following diseases : 1. Diphtheria 2. Chickenpox 3. Smallpox Which of the above diseases has/have been eradicated in India?

1. Diphtheria is a bacterial disease that affects the mucous membranes of the throat and nose. While preventable through vaccination (part of India's Universal Immunization Programme), it has not been eradicated in India. 2. Chickenpox (Varicella) is a highly contagious viral illness. It is still prevalent in India and has not been targeted for eradication, although a vaccine is available. 3. Smallpox was a devastating viral disease. Following an intense global vaccination campaign led by the WHO, India was officially declared eradicated of smallpox in April 1977. Global eradication was certified in 1980. Therefore, only Smallpox (3) has been eradicated in India among the listed diseases.