Siwan Lok Sabha Constituency
Siwan is a Lok Sabha parliamentary constituency of the State of Bihar in India.Vidhan Sabha (Legislative Assembly) constituencies
105 Siwan Vidhan Sabha Constituency, 106 Ziradei Vidhan Sabha Constituency, 107 Darauli Vidhan Sabha Constituency (SC), 108 Raghunathpur Vidhan Sabha Constituency in Bihar, 109 Daraundha Vidhan Sabha Constituency, and 110 Barharia Vidhan Sabha Constituency.
Lok Sabha General Election 2019
TOTAL ELECTORS 1799551| CANDIDATE | SEX | AGE | CATEGORY | PARTY | VALID VOTES POLLED | % VOTES POLLED |
| 1 Nota | NOTA | 8486 | 0.47 | |||
| 2 Sanjay Prajapatee | M | 33 | GEN | IND | 2354 | 0.13 |
| 3 Sudhir Kuamr Singh | M | 61 | GEN | SHS | 2701 | 0.15 |
| 4 Bijay Bahadur Singh | M | 58 | GEN | RSTSAHP | 2756 | 0.15 |
| 5 Amar Nath Yadav | M | 54 | GEN | CPI(ML)(L) | 74644 | 4.15 |
| 6 Abhishek Kumar Alias Rinku Ji | M | 41 | GEN | IND | 3573 | 0.2 |
| 7 Kavita Singh | F | 33 | GEN | JD(U) | 448473 | 24.92 |
| 8 Anil Kumar Verma | M | 55 | GEN | IND | 5260 | 0.29 |
| 9 Satyendra Kushwaha | M | 33 | GEN | IND | 6051 | 0.34 |
| 10 Parmanand Gond | M | 49 | ST | SWSP | 2069 | 0.11 |
| 11 Balmiki Prasad Gupta | M | 41 | GEN | BSP | 8467 | 0.47 |
| 12 Hena Shahab | F | 46 | GEN | RJD | 331515 | 18.42 |
| 13 Jai Prakash Prasad Alias J.p.bhai | M | 38 | GEN | IND | 5964 | 0.33 |
| 14 Madhuri Pandey | F | 47 | GEN | IND | 12928 | 0.72 |
| 15 Deva Kant Mishra Alias Munna Bhaiya | M | 43 | GEN | IND | 36459 | 2.03 |
| 16 Rohit Kumar Yadav | M | 26 | GEN | SANVP | 2364 | 0.13 |
| 17 Amarjit Prasad | M | 41 | ST | IND | 7671 | 0.43 |
| 18 Upendra Kumar Giri | M | 46 | GEN | IND | 17353 | 0.96 |
| 19 Shabana | F | 31 | GEN | JPJD | 2107 | 0.12 |
| 20 Narad Pandit | M | 46 | GEN | BSSPA | 3615 | 0.2 |
| TOTAL | 984810 | 54.73 |
General Election 2014
Om Prakash Yadav of BJP won by a margin of 113847 ( 13.20 %) votes.TOTAL ELECTORS: 1563860, TOTAL VOTES POLLED: 884021 (56.53%)
Detailed Results
| Candidate | Sex | Age | Category | Party | Votes polled | % Votes polled |
| 1 OM PRAKASH YADAV | M | 48 | GEN | BJP | 372670 | 42.16 |
| 2 GANESH RAM | M | 42 | SC | BSP | 14584 | 1.65 |
| 3 MANOJ KUMAR SINGH | M | 45 | GEN | JD(U) | 79239 | 8.96 |
| 4 HENA SHAHAB | F | 41 | GEN | RJD | 258823 | 29.28 |
| 5 AMAR NATH YADAV | M | 49 | GEN | CPI(ML)(L) | 81006 | 9.16 |
| 6 KHALIL MIYA | M | 38 | GEN | GGP | 9580 | 1.08 |
| 7 NAGENDRA TIWARI | M | 36 | GEN | LKJP | 2611 | 0.30 |
| 8 NARAD PNDIT | M | 41 | GEN | JPJD | 3250 | 0.37 |
| 9 PARAMANAND GOND | M | 44 | SC | SWSP | 4016 | 0.45 |
| 10 PARMESHWAR MANJHI | M | 41 | SC | BMUP | 5683 | 0.64 |
| 11 RANJAN KUMAR | M | 36 | GEN | BVM | 8851 | 1.00 |
| 12 RAM BINAY RAY | M | 28 | GEN | BED | 11757 | 1.33 |
| 13 SATYA PRAKASH PANDEY | M | 43 | GEN | AAAP | 10542 | 1.19 |
| 14 None of the Above | NOTA | NOTA | 21409 | 2.42 |
2009 general election results
| Candidate | Sex | Age | Category | Party | Votes polled | % Votes polled |
| 1 OM PRAKASH YADAV | M | 43 | GEN | IND | 236194 | 36.8 |
| 2 HENA SHAHAB | F | 36 | GEN | RJD | 172764 | 26.91 |
| 3 AMAR NATH YADAV | M | 44 | GEN | CPI(ML)(L) | 72988 | 11.37 |
| 4 BRISHIN PATEL | M | 60 | GEN | JD(U) | 43968 | 6.85 |
| 5 PARASH NATH PATHAK | M | 60 | GEN | BSP | 26940 | 4.2 |
| 6 RAJENDRA KUMAR | M | 36 | GEN | IND | 18558 | 2.89 |
| 7 VIJAY SHANKER DUBEY | M | 60 | GEN | INC | 12104 | 1.89 |
| 8 SHAMBHU NATH PRASAD | M | 60 | GEN | IND | 12132 | 1.89 |
| 9 LAL BABU TIWARI | M | 55 | GEN | RKSP | 9180 | 1.43 |
| 10 UMESH TIWARY | M | 30 | GEN | IND | 8761 | 1.36 |
| 11 NIDHI KIRTI | F | 26 | GEN | IND | 7026 | 1.09 |
| 12 ASWANI KR. VERMA | M | 28 | GEN | IJP | 6684 | 1.04 |
| 13 PRABHU NATH MALI | M | 26 | GEN | IND | 5557 | 0.87 |
| 14 MADHURI PANDAY | F | 35 | GEN | SJTP | 4816 | 0.75 |
| 15 DR. MUNESHWAR PRASAD | M | 68 | GEN | IND | 4238 | 0.66 |