The table below lists People's Democratic Front (PDF) candidates, their total votes, vote share and final position in Khammam Lok Sabha Constituency in Andhra Pradesh.
| Election year | Candidate Name | Votes Received | Vote Share (%) | Position | Status |
|---|---|---|---|---|---|
| 1957 | Vittal Rao | 106,627 | 44.27 | 1 | Won |