Administrative Setup
The district of Samastipur came into existance in 14th Nov. 1972 carved out of the erstwhile Darbhanga district. The present district of Samastipur consists of
- 4 Subdivisions.
- 20 CD Blocks
- 1 Nagar Nigam-Samastipur
- 4 Nagar Parishad-Rosera, Dalsinghsarai, Tajpur, Shahpur Patori
- 3 Nagar Panchayat-Musrigharari, Sarairanjan, Singhiya
- 343 Panchayats
- 1260 Revenue Villages
with district headquarter at Samastipur. Samastipur district is a part of Darbhanga Division.
| District | Sub Divsion | Block |
| Samastipur | Samastipur | Tajpur |
| Kalyanpur | ||
| Pusa | ||
| Morwa | ||
| Warisnagar | ||
| Samastipur | ||
| Sarairanjan | ||
| Khanpur | ||
| Rosera | Rosera | |
| Singhiya | ||
| Bibhutipur | ||
| Shivajinagar | ||
| Hasanpur | ||
| Bithan | ||
| Dalsinghsarai | Dalsinghsarai | |
| Ujiyarpur | ||
| Vidyapatinagar | ||
| Patori | Patori | |
| Mohanpur | ||
| Mohiuddinagar |