Kalvasal Sub-Center
| Hospital Name | Kalvasal Sub-Center |
| Address | N. A. |
| Address Line2 | Kalvasal Road, Near Pillaiyar Temple |
| Location | Kalvasal |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Tamil Nadu |
| District | Tiruvannamalai |
| Taluka | Polur |
| Block | Polur |
| GPS Location | Latitude: 12.6149 |
| Longitude: 79.1542 |
Kalvasal Sub-Center hospital is a SubCentre in Polur. It is located in Tiruvannamalai district of Tamilnadu state. The GPS Location of this hospital is shown in the map below.