All assembly constituencies — Bihar assembly election, Feb 1990
324 assembly constituencies declared, sorted by largest victory.
| Assembly seat | State | Winner | Runner-up | Margin |
|---|---|---|---|---|
| KHIJRI | Bihar | BJPDUTI PAHAN | JDKALIPAD SOREN | 14,86517.49% |
| SARATH | Bihar | INCUDAY SHANKER SINGH | JMMMD. ABUTAHIB | 16,83417.40% |
| SASARAM | Bihar | BJPJAWAHIR PRASAD | SOPLBIPIN BIHAR SINHA | 18,69517.37% |
| SIWAN | Bihar | JDAVADH BIHARI CHAUDHARY | INCSERAJUL HAQ | 17,85517.32% |
| THAKURGANJ | Bihar | JDMD. SULEMAN | INCMD. HUSEN AZAD | 15,30417.18% |
| SINGHESHWAR | Bihar | INDRAJESH RANJAN | JDSIYA RAM PD. YADAV | 21,37817.16% |
| JAMSHEDPUR EAST | Bihar | BJPDINA NATH PANDEY | INCBHOGENDRA MISHRA | 14,58016.96% |
| MANDAR | Bihar | JDKARAM CHANDRA BHAGOT | JMMVISHWANATH BHAGAT | 13,21816.89% |
| CHAKAI | Bihar | JDNARENDRA SINGH | BJPFALGUNI PRASAD YADAV | 17,13116.89% |
| PORAIYAHAT | Bihar | JMMSURAJ MANDAL | BJPJAGDAMBI PRASAD YADAV | 17,10616.85% |
| MADHUPUR | Bihar | INCKRISHANAND JHA | BJPYAMUN PD. TEWARI | 16,97716.84% |
| SAKRA | Bihar | JDKAMAL PASWAN | INCBILAR PASWAN | 15,60516.80% |
| KEOTI | Bihar | JDGULAM SARVAR | INDRAJ KISHOR YADAV | 19,49316.78% |
| BARHARA | Bihar | JDRADHVENDER PARTAP SINGH | IPFJAJ SINGH | 18,93516.71% |
| SISAI | Bihar | BJPLALIT ORAON | INCBANDI ORAON | 10,80115.94% |
| MANIKA | Bihar | BJPYAMUNA SINGH | INCMAHABIR BHAGAT | 6,65315.68% |
| MANJHI | Bihar | JDHAZARI SINGH | INCBUDHAN PRASAD YADAV | 16,24815.50% |
| BARACHATTI | Bihar | IPFUMESH SINGH | INCG.S. RAMCHANDRA DAS | 14,65815.41% |
| SIKTI | Bihar | JDMD. AZIMUDDIN | INCRAMESHWAR YADAV | 17,42615.39% |
| NALANDA | Bihar | INDRAM NARESH SINGH | JDSHRAWAN KUMAR | 20,72115.14% |
| SIKANDRA | Bihar | CPIPRAYAG PASWAN | INCRAMESHWAR PASWAN | 16,51615.12% |
| PHULWARI | Bihar | INCSANJEEV PRASAD TONI | IPFVIDYANAND VIKAL | 14,72914.71% |
| MUNGHYR | Bihar | JDRAMDEO SINGH YADAV | INCPRABHAT KUMAR MISHRA | 19,76914.40% |
| KHARASAWAN | Bihar | INCBIJOY SINGH SOY | JDLAKHI RAM MAJHI | 9,03214.35% |
| MAKHDUMPUR | Bihar | INCRAM JATAN SINHA | JDANIL KUMAR | 19,14114.33% |
| CHAPRA | Bihar | INDUDIT ROY | JDJANAK YADAU | 19,06314.32% |
| RAXAUL | Bihar | JDRAJNANDAN RAI | INCSAGIR AHMAD | 13,27214.17% |
| KISHUNPUR | Bihar | JDVINAYAK PD. YADAV | INCYADUVANS KUMAR YADAV | 17,01414.08% |
| KHARAGPUR | Bihar | JDJAI PRAKASH N. YADAV | INCRAJENDRA PD. SINGH | 17,11214.08% |
| GOH | Bihar | CPIRAM SHARAN YADAV | INCD.K. SHARMA | 14,65213.90% |
| BACHHWARA | Bihar | CPIAWADHESH RAI | INCRAM DEO RAI | 12,72713.89% |
| DUMRI | Bihar | JDLAL CHAND MAHTO | JMMSHIVA MAHTO | 11,52313.87% |
| BENIPATTI | Bihar | INCYUGESHWAR JHA | JDSHALIGRAM YADAV | 14,51213.65% |
| NAUTAN | Bihar | CPIRAWAKANT DIWEDI | JDBIRBAL PRASAD | 9,16613.48% |
| KURTHA | Bihar | JDMUNDRIKA SINGH YADAV | IPFTILESHWAR KAUSHIK | 16,14613.40% |
| JARMUNDI | Bihar | INDJAWAHAR PD. SINGH | BJPABHAI KANT PRASAD | 10,72013.35% |
| AURANGABAD | Bihar | INCBRIJMOHAN SINGH | CPITRIBHUWAN SINGH | 11,54713.15% |
| CHAUTHAM | Bihar | CPISATYA NARAIN SINGH | JDARUN KESHARI | 13,35812.94% |
| JHAJHA | Bihar | JDSHIV NANDAN JHA | INCRAVINDRA KUMAR YADAV | 10,42112.79% |
| JANDAHA | Bihar | JDTULSIDAS MEHTA | INDSHIVANARAYAN PD. MISHRA | 16,32012.39% |
| BARAUNI | Bihar | CPISHIVDANI SINGH | INCKAMLA DEVI | 12,15612.37% |
| LAURIA | Bihar | JDRAN VIJAY SHAHI | INCVISHWA MOHAN SHARMA | 9,25412.17% |
| HAJIPUR | Bihar | INCJAGANNATH PD. RAI | INDJAGANNATH PD. YADAV | 13,24012.16% |
| MINAPUR | Bihar | JDHIND KESHRI YADAV | CPIJANAKDHARI PR. KUSHWAHA | 13,55512.01% |
| KURHANI | Bihar | INDSADHU SHARAN SHAHI | INCSHIV NANDAN RAI | 14,19211.95% |
| BAHERA | Bihar | INCMAHENDRA JHA AZAD | JDABDUL BARI SIDDIQUI | 15,00711.92% |
| MANIHARI | Bihar | JDBISHWANATH SINGH | INCMUBARAK HUSSAIN | 9,51811.92% |
| BORIO | Bihar | JMMLOBIN HEMBROM | BJPMAHINDRA HANSDA | 7,96311.76% |
| RAFIGANJ | Bihar | INCVIJAY KUMAR SINGH | CPIESTEYAK AHAMAD KHAN | 10,26311.73% |
| NABINAGAR | Bihar | INCRAGHUBANSH PD. SINGH | JDRAM LAKHAN PRASAD SINGH | 9,41811.61% |
