A few facts about Rosera
- Rosera has a population of about 31,000.
- It's part of Bihar.
- It's about 1541 km to Mumbai, the country's largest city.
- The nearest bigger city is Begusarai, about 39 km away.
- Towns nearby: Samāstipur (28 km), Teghra (31 km) and Bāruni (32 km).