Q. In which year India was certified as being free of variola (small pox virus) due to Indian national smallpox eradication programme (NSEP) and its intensified version (INSEP)? (Solved)
1. 1975
2. 1977
3. 1980
4. 1985
- b. 1977
1. 1975
2. 1977
3. 1980
4. 1985