| 2014 | Arimilli Radha Krishna | TDP | 101015 | Cheerla Radha Krishna | YSRC | 70067 |
| 2009 | Karumuri Venkata Nageswara Rao | INC | 53211 | Y T Raja | TDP | 51760 |
| 2004 | Chitturi Bapineedu | INC | 65189 | Y.T. Raja | TDP | 59812 |
| 1999 | Y. T. Raja | TDP | 70574 | Burugupalli Chinnarao | INC | 46727 |
| 1994 | Mullapudi Venkata Krishnarao | TDP | 60833 | Ch. Achutharama Prasad | INC | 38277 |
| 1989 | Mullapudi Venkata Krishnarao | TDP | 57050 | Chitturi Bapi Needu | INC | 47669 |
| 1985 | Venkata Krishnarao Mullapudi | TDP | 57184 | Anantha Ramamurty, Karuturi | INC | 25285 |
| 1983 | Chitturi Venkareswara Rao | IND | 39501 | Satyanarayana Murthy Gannamani | IND | 35403 |
| 1978 | Kantioydu Appa Rao | INC(I) | 35393 | Gannamani Satyanarayana Murty | INC | 21331 |
| 1967 | G. Satyanarayana | IND | 36157 | M.H. Prasad | INC | 29276 |
| 1962 | Mullapudi Harischandraprasad | INC | 31771 | Chitturi Indraiah | IND | 31660 |
| 1955 | Mullapudi Harischandraprasad | INC | 26586 | Chitturi Subbarao Choudary | CPI | 19706 |
