All assembly constituencies — Bihar assembly election, Feb 1985
324 assembly constituencies declared, sorted by largest victory.
| Assembly seat | State | Winner | Runner-up | Margin |
|---|---|---|---|---|
| SIMARIA | Bihar | INCISHWARI RAM PASWAN | BJPUPENDRA NATH DAS | 5,59013.24% |
| IMAMGANJ | Bihar | INCSRI CHAND SINGH | LKDJAGDISH SINGH | 9,23313.15% |
| ZIRADEI | Bihar | INCTRIBHUAN SINGH | INDABHAI KUMAR PANDEY | 8,83613.14% |
| BERMO | Bihar | INCRAJENDRA PRASAD SINGH | CPISHAFIQUE KHAN | 9,69613.12% |
| BEGUSARAI | Bihar | INCBHOLA SINGH | CPMRAJENDRA PRASAD SINGH | 9,38513.04% |
| DUMRI | Bihar | INDSHIVA MAHTO | LKDLAL CHAND MAHTO | 6,97313.02% |
| SIKARIPARA | Bihar | JMMDAVID MURMU | INDNALIN SOREN | 5,21412.97% |
| BHABHUA | Bihar | CPIRAM LAL SINGH | INCSHYAM NARAIN PANDEY | 11,03212.86% |
| BAGHA | Bihar | INCTRILOKI HARIJAN | LKDPUNWASI RAM | 6,66212.60% |
| PURNEA | Bihar | CPMAJIT CHANDRAS | INCKAMAL DEO NARAYAN SINHA | 9,07412.52% |
| BARAULI | Bihar | INCADNAN KHAN | BJPRAM PRAVESH RAI | 7,38712.35% |
| NARPATGANJ | Bihar | INCINDRA NAND YADAV | LKDSATYA N. YADAV | 8,73112.28% |
| KHARAGPUR | Bihar | INCRAJENDRA PD. SINGH | LKDJAI PRAKASH NA. YADAV | 10,72011.83% |
| KOLEBIRA | Bihar | INDBIRSING MUNDA | INCSILVIA BAGE | 4,74811.75% |
| DARBHANGA | Bihar | INCASFAK ANSARI | INDRAMASHRAY RAI | 8,15611.73% |
| RAJGIR | Bihar | BJPSATYADEO NARAIN ARYA | CPICHANDRADEO PRASAD HIMANSHU | 9,78011.68% |
| JAMSHEDPUR EAST | Bihar | INCDARAYUS NARIMAN | BJPDINA NATH PANDE | 7,79811.63% |
| MANDU | Bihar | INDTEK LAL MAHTO | INCKAMLA CHAND UPADHAYA | 6,57311.58% |
| MAHARAJGANJ | Bihar | JNPUMA SHANKER SINGH | INCANUSUYA JAISWAL | 10,11411.37% |
| CHAPRA | Bihar | INDJANAK YADAV | INCMITHILESH KUMAR SINGH | 10,28511.29% |
| PATNA WEST | Bihar | INDRAM NANDAN PRASAD ALIAS RAMANAND YADAV | CPMYOGESHWAR GOPE | 10,21011.25% |
| BHORE | Bihar | INCANIL KUMAR | INDINDREDEO MANJHI | 8,49811.24% |
| BASANTPUR | Bihar | INCMANIK CHANDRA ROY | BJPSATYADEO PRASAD | 11,18211.19% |
| LAUKAHA | Bihar | INCABDUL HAI PAYAMI | CPILAL BIHARI YADAV | 7,69511.12% |
| KURHANI | Bihar | INCSHEONANDAN RAI | JNPSADHUSHARAN SAHI | 9,78511.09% |
| SUPAUL | Bihar | INCPRAMOD KUMAR SINGH | LKDZAHIR UDDIN AHMAD | 11,80011.05% |
| ROSERA | Bihar | LKDBHOLA MANDAR | INCSATYENDRA NARAIN CHOUDHARY | 10,39511.04% |
| GIRIDIH | Bihar | CPIOM LAL AZAD | INCURMILA DEVI | 5,69611.03% |
| NALA | Bihar | CPIBISHESHWAR KHAN | INCRAJ KUMARI DEVI | 6,66510.78% |
| GHANSHYAMPUR | Bihar | LKDMAHABIR PRASAD | INCHARISHCHANDRA JHA | 9,99810.75% |
| BHAWANATHPUR | Bihar | INCRAJ RAJENDRA PRATAP DEO | LKDRAM CHANDRA PRASAD KESHARI | 6,08610.69% |
| HISUA | Bihar | INDADITYA SINGH | CPILAL NARAIN SINGH | 7,75010.54% |
| GAYA TOWN | Bihar | INCJAI KUMAR PALIT | CPISHAKIL AHMAD KHAN | 8,27010.42% |
| GOPALGANJ | Bihar | INDSURENDRA SINGH | LKDAMBIKA PRASAD YADAV | 7,79710.21% |
| LAKHISARAI | Bihar | JNPKRISHNA CHANDRA PRASAD SINGH | INCASHWIMI KUMAR SHARMA | 10,81310.13% |
| GOMIA | Bihar | INDMADHAVA LAL SINGH | INCRAMADHAR SINGH | 6,21510.11% |
| GURUA | Bihar | INCMD. KHAN ALI | LKDRAMCHANDRA SINGH | 8,7719.86% |
| NAUTAN | Bihar | INCKAMLA PANDEY | CPIREWAKANT DWEVEDI | 4,8649.74% |
| KEOTI | Bihar | INCKLIM AHMAD | JNPRAJ KISHORE YADAV | 8,5269.70% |
| SARAIRANJAN | Bihar | INCRAMASHRAY ISHWAR | BJPYASHODANAND SINGH | 9,1889.69% |
| SAHARSA | Bihar | INCSATISH CHANDRA JHA | LKDSHANKAR PD. TEKARIWAL | 8,1829.45% |
| KISHUNPUR | Bihar | INCVISHWANATH GURMITA | LKDVINAYAK PD. YADAV | 8,8979.36% |
| SAMASTIPUR | Bihar | LKDASHOK SINGH | INCJAI NARAIN RAI | 8,1009.33% |
| ICHAGARH | Bihar | INCPRABHAT K. A. DEO | JMMNIRMAL MAHATO | 6,2349.27% |
| CHHATAPUR | Bihar | INCKUMBH NR. SARDAR | LKDMAHENDRA NR. SARDAR | 7,4539.18% |
| MANJHI | Bihar | INDBUDHAN PRASAD YADAV | JNPHAJARI SINGH | 6,4319.18% |
| HASANPUR | Bihar | INCRAJENDRA PRASAD YADAV | INDGAJENDRA PRASAD HIMANSHU | 6,6849.08% |
| OBRA | Bihar | LKDRAM VILASH SINGH | BJPVIRENDER PRASAD SINGH | 7,8628.87% |
| DEHRI | Bihar | INCKHALID ANWAR ANSARI | LKDMD. ILIAS HUSSAIN | 6,8968.82% |
| BUXAR | Bihar | INCSRI KANT PATHAK | JNPVASIST NARAIN | 5,8108.74% |
