From The Economist:
Update: I added a relatively recent state by state HIV infection value. All I can say is that democratically elected Communist regimes seem to discourage risky sex....

Source
| The prevalence rates below are taken from data collected during screening of women attending antenatal clinics, meaning that these prevalence rates are only relevant to sexually active women. |
| State/Union Territory | HIV Prevalence (%) |
| Maharashtra & Mumbai | 1.75 |
| Manipur | 1.75 |
| Andhara Pradesh | 1.5 |
| Nagaland | 1.25 |
| Karnataka | 1.13 |
| Tamil Nadu | 1.13 |
| Haryana | 0.51 |
| Goa | 0.5 |
| Gujarat | 0.5 |
| Punjab | 0.4 |
| Mizoram | 0.33 |
| Daman & Diu | 0.25 |
| Dadra & Nagar Haveli | 0.25 |
| Jammu & Kashmir | 0.25 |
| Madhya Pradesh | 0.25 |
| Orissa | 0.25 |
| Pondicherry | 0.25 |
| Tripura | 0.25 |
| A & N Islands | 0.16 |
| Bihar | 0.13 |
| Delhi | 0.13 |
| Himachal Pradesh | 0.13 |
| West Bengal | 0.13 |
| Jharkhand | 0.08 |
| Kerala | 0.08 |
| Assam | 0 |
| Arunachal Pradesh | 0 |
| Chandigarh | 0 |
| Meghalaya | 0 |
| Rajasthan | 0 |
| Sikkim | 0 |
| Uttar Pradesh | 0 |
| Uttranachal | 0 |