| 2015 | Rajeev Kumar Urf Munna Yadav | RJD | 80790 | Ajay Kumar | BJP | 56850 |
| 2010 | Dinesh Prasad | JD(U) | 42286 | Rajeev Kumar Urph Munna Yadav | RJD | 36884 |
| OCT 2005 | Dinesh Prasad | JD(U) | 40070 | HINDKesari Yadav | RJD | 28566 |
| FEB 2005 | HINDKeshari Yadav | RJD | 32849 | Dinesh Prasad | JD(U) | 30992 |
| 2000 | Dinesh Prasad | IND | 32586 | HINDKesri Yadav | RJD | 29634 |
| 1995 | HINDKeshri Yadav | JD | 40507 | Sakal Dev Sahni | INC | 20617 |
| 1990 | HINDKeshri Yadav | JD | 46600 | Janakdhari Pr. Kushwaha | CPI | 33045 |
| 1985 | HINDKeshari Yadav | LKD | 25307 | Janak Dhari Kush | CPI | 21487 |
| 1980 | Jankdhari Prasad Kushwaha | CPI | 28530 | Mahendra Sahni | INC(I) | 22753 |
| 1977 | Nagendra Pd. Singh | JNP | 16363 | Janakdhari Pd. Kushwaha | IND | 13307 |
| 1972 | Mahanth Ramkishore Das | NCO | 30730 | Ramsanjiwan Rai | IND | 22890 |
| 1969 | Janak Singh | INC | 33903 | Mahanth Ramkishore Das | SHD | 32978 |
| 1967 | M.R.K. Dass | SSP | 28950 | J. Singh | INC | 28555 |
| 1962 | Janak Singh | INC | 14778 | Janak Pd. Kushawaha | CPI | 8124 |
| 1957 | Janak Singh | INC | 14454 | Ganesh Pd. Singh | PSP | 9543 |
| 1951 | Janak Singh | INC | 5661 | Bijuli Singh | SP | 4899 |
