Begusarai is known as Financial & Industrial capital of Bihar. Begusarai is blessed with Barauni refinery one among the 8 Indian oil corporation is built in collaboration with the Soviet union at a cost of Rs.49.4 crores and went on stream in July, 1964 ,Situated 125 kilometeres from Patna. Begusarai is also having one fertilizer which is unfortunately close since many years.
Barauni refinery- Begusarai

Barauni refinery is one of the country’s biggest oil refinery’s at Barauni (Dist. Begusarai) in Bihar State. The refinery is managed and controlled by Indian Oil Corporation Ltd. (IOC).

Begusarai Fertilizer, Barauni

Chemical fertilizer plants are located at Barauni in Begusarai District. In Nov’1962 it was proposed to the govt. In 1967 it was established. Here 330 Ton urea is ready per year.

Sudha Dairy Begusarai

Barauni Diary Established in 1959, a fully co-operative organisation, marketing it’s product to Kolkotta, Ranchi, Jamshedpur, Bokaro, Gaya, Dhanbad etc.