Option 1: Punjab is not the correct answer. Punjab has not declared itself as the first rabies-free State.

Option 2: Himachal Pradesh is not the correct answer. Himachal Pradesh has not declared itself as the first rabies-free State.

Option 3: Tamil Nadu is not the correct answer. Tamil Nadu has not declared itself as the first rabies-free State.

Option 4: Goa is the correct answer. Goa has recently declared itself as the first rabies-free State. This means that there have been no reported cases of rabies in Goa, making it a significant milestone in controlling and eradicating the disease. It is a commendable achievement for the state government and relevant authorities, as rabies is a deadly viral infection that affects both animals and humans. The declaration of Goa as a rabies-free state showcases the effectiveness of the rabies control and prevention programs implemented in the region. It also sets a precedent for other states to prioritize and invest in similar initiatives to combat the spread of rabies.