| Banmankhi | |
| Settlement Type: | Block |
| Pushpin Map: | India Bihar#India3 |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 25.8833°N 87.1833°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | Region |
| Subdivision Name2: | Mithila |
| Subdivision Type3: | District |
| Subdivision Name3: | Purnia |
| Unit Pref: | Metric |
| Elevation M: | 37 |
| Population Total: | 2,80,542 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Regional |
| Demographics1 Info1: | Maithili |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 854202 |
| Area Code Type: | Telephone code |
| Area Code: | 06467 |
| Registration Plate: | BR11 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Purnia |
| Blank2 Name Sec1: | Lok Sabha constituency |
| Blank2 Info Sec1: | Purnia |
| Blank1 Name Sec2: | Climate |
| Blank1 Info Sec2: | 23-38 (Köppen) |
| Blank2 Name Sec2: | Avg. summer temperature |
| Blank2 Info Sec2: | 38°C |
| Blank3 Name Sec2: | Avg. winter temperature |
| Blank3 Info Sec2: | 23°C |
Banmankhi is a block in Purnia district of Bihar state, India.[1]
Banmankhi is located at an elevation of 37 m above mean sea level.
The town was famous for its sugar mills in the past but now it is most famous for cattle, where nearly 1,000 such as buffalo, cow, goat and many pet animals are for sale. Places of tourist interest include Prahalad Khamba (an ancient history about why Indians celebrate Holi festivals,) Maharshi Mehi asharam (including the birthplace and Meditation Ashram) and Kajha Kothi, Kali Bari Mandir, Railway Matha Asthan. This place is known for its festival in holi time.
Banmankhi is located 34 KM from the District Headquarter Purnia. NH 231 passes through Banmankhi. The railway access point is Banmankhi Junction Railway Station.There are daily trains to Purnia, Saharsa, Bihariganj, Patna, Gaya, and Ranchi. The nearest airports are Darbhanga Airport, Patna Airport and Bagdogra Airport located at 162 KM, 324 KM and 193 KM away respectively. Purnea Airport (ICAO: VEPU) is located 32 KM from Banmankhi.