All assembly constituencies — Bihar assembly election, Feb 1985
324 assembly constituencies declared, sorted by largest victory.
| Assembly seat | State | Winner | Runner-up | Margin |
|---|---|---|---|---|
| DEO | Bihar | INCDILKESHWAR RAM | BJPSAHDEO CHAUDHARY | 19,53633.79% |
| DHAMDAHA | Bihar | INCAMAR NATH TIWARI | LKDSURYA NA. SINGH YADAV | 28,64532.64% |
| DUMRAON | Bihar | INCBASANT SINGH | CPIRAM ASHRAY SINGH | 25,24832.25% |
| KHARASAWAN | Bihar | INDVIJAY SINGH SOY | INCBANMALI SINGH MUNDA | 12,15031.77% |
| LAURIA | Bihar | INCVISHWA MOHAN SHARMA | LKDRAM PRASAD YADAV | 21,00231.63% |
| SISAI | Bihar | INCBANDI ORAON | BJPLALIT ORAON | 13,38831.01% |
| JAMUA | Bihar | CPIBALDEO HAZRA | INCTANESHWAR AZAD | 18,49230.36% |
| JUGSALAI | Bihar | INCTRILOCHAN KALINDI | CPITULSI RAJAK | 16,78830.20% |
| ARWAL | Bihar | INDKRISHNA NANDAN PRASAD SINGH | INCRAM PRASAD OJHA | 34,74729.21% |
| BARHAIT | Bihar | INCTHOMAS HANSDA | JMMMASIH SOREN | 18,30029.07% |
| JHAJHA | Bihar | INCSHEONANDAN PD. YADAV | JNPSHEONANDAN JHA | 19,89229.05% |
| PATNA CENTRAL | Bihar | INCAKEEL HAIDER | BJPSHAILENDRA NATH SRIVASTAVA | 19,60128.17% |
| KORHA | Bihar | INCVISHWA NATH RISHI | INDKULDIP PASWAN | 13,68628.16% |
| SONBARSA | Bihar | LKDKAPOORI THAKUR | INDANWARUL HAQUE | 24,94727.87% |
| NABINAGAR | Bihar | INCRAGHUBANSH PRASAD SINGH | LKDTULSI SINGH | 19,45227.63% |
| SIWAN | Bihar | JNPAWADH BIHARI CHOUDHARY | BJPJANARDAN TIWARY | 23,03227.46% |
| MANER | Bihar | INCRAJMATI DEVI | LKDSURYADEO TYAGI | 20,62527.34% |
| BISFI | Bihar | INCSAKEEL AHMAD | CPIRAJ KUMAR PURBE | 23,31426.88% |
| PARU | Bihar | LKDUSHA SINGH | INCNITISHWAR PRASAD SINGH | 30,63526.65% |
| BANMANKHI | Bihar | INCRASIK LAL RISHIDEO | LKDRAJENDRA PD. | 17,89126.33% |
| TRIBENIGANJ | Bihar | LKDANUP LAL YADAV | INCJAGDISH MANDAL | 26,41026.06% |
| SURAJGARHA | Bihar | INCALAKH SHARMA | CPISATIS KUMAR | 26,16125.82% |
| BARSOI | Bihar | INCBYULA DOJA | CPMMAHBOOB ALAM | 17,50125.40% |
| BETTIAH | Bihar | INCGAURI SHANKER PANDEY | CPIAHMAD ALI | 16,47525.13% |
| MOTIHARI | Bihar | CPITRIVENI TIWARI | INCRAJENDRA PRASAD | 19,69724.80% |
| JALE | Bihar | INCLOKESH NATH JHA | CPIABDUL SALAM | 21,38724.71% |
| SHEOHAR | Bihar | JNPRAGHUNATH JHA | INCBHARAT PRASAD SINGH | 22,79824.26% |
| RAMGARH | Bihar | LKDJAGDANAND SINGH | INCPRABHAWATI SINGH | 18,58424.25% |
| NIRSA | Bihar | INCKRIPA SHANKER CHATTERJEE | CPMS.K.BAKSHI | 15,40724.20% |
| RAJPUR | Bihar | BJPRAM NARAIN RAM | LKDNAND KISHORE PRASAD | 14,75924.08% |
| PUPRI | Bihar | INCRAM BRIKSH CHAUDHARY | LKDSITARAM YADAV | 20,37624.03% |
| HATIA | Bihar | JNPSUBODH KANT SAHAY | INCSUBANSH JHA | 10,77923.85% |
| PANDAUL | Bihar | INCKUMUD RANJAN JHA | JNPNAIYER AZAM | 15,28023.51% |
| BIHPUR | Bihar | INCRAJENDRA PRASAD SHARMA | BJPBALBHADRA CHOUDHARY | 16,68823.40% |
| BELHAR | Bihar | INCSIYARAM RAI | INDCHANDRA MAULESHWAR SINGH | 17,39823.20% |
| BOKARO | Bihar | BJPSAMARESH SINGH | LKDAKLU RAM MAHTO | 18,36722.96% |
| HARNAUT | Bihar | LKDNITIS KUMAR | INCVIRJNANDAN PRASAD SINGH | 21,41222.88% |
| KATIHAR | Bihar | INCSATYA NARAYAN PRASAD | BJPJAGBANDHU ADHIKARI | 15,37022.41% |
| JAHANABAD | Bihar | INCSYED ASGAR HUSSAIN | INDHARI LAL PRASAD SINGH | 25,39222.37% |
| DARBHANGA RURAL | Bihar | INCRAMCHANDRA PASWAN | JNPJAGDISH CHOUDHARY | 13,22622.20% |
| SIKTA | Bihar | JNPDHARMESH PRASAD VERMA | INCGAUSAL AZAM | 16,52222.12% |
| DHAKA | Bihar | INCMOTIUR RAHMAN | BJPAVANISH KUMAR SINGH | 22,38922.02% |
| BIKRAMGANJ | Bihar | LKDMEGHRAJ MADHAVI | INCGIRJA PRASAD SINGH | 23,05122.00% |
| KANKE | Bihar | INCHARI RAM | CPIB. D. RAM | 8,55121.80% |
| MAJHGAON | Bihar | INCDEVENDRA NATH CHAMPIA | INDBUDHAN SINGH TAMSOY | 7,33821.70% |
| SILLI | Bihar | INCKESHAV MAHTO KAMLESH | CPMRAJENDRA SINGH | 11,81121.66% |
| SONEPUR | Bihar | LKDLALOO PRASAD | INCRAJ NARAIN SINGH | 16,21921.48% |
| KISHANGANJ | Bihar | LKDRAJNANDAN PRASAD | INCSINGHESHWAR MEHTA | 16,76121.27% |
| HAJIPUR | Bihar | LKDMOTI LAL SINHA KANAN | INCJAGANNATH PRASAD RAI | 18,19720.98% |
| BORIO | Bihar | INCJON HEMBROM | JMMSANT LAL MARANDI | 10,47320.93% |
