| Industry | Major Areas / Centres | Key Points |
|---|---|---|
| Tea Industry | Kishanganj | Started in 1990s, >50,000 acres, ~4,000 tonnes annually |
| Sugar Industry | West & East Champaran, Saran, Gopalganj | First successful mill: Marhaura (1903), Bihar ranks 3rd in number of mills |
| Dairy Industry | Patna, Muzaffarpur, Barauni, Bhagalpur | Bihar State Milk Cooperative Federation (1983) |
| Tobacco Industry | Munger, Muzaffarpur, Patna, Begusarai | Bihar ranks 3rd in tobacco production |
| Lac Industry | Gaya, Purnea, Nawada, Banka | Lac insects on Palash & Ber trees |
| Industry | Major Centres | Special Features |
|---|---|---|
| Silk Industry | Bhagalpur, Gaya, Vaishali | Bhagalpur = “Silk City”; Mulberry, Tasar, Eri |
| Cotton Textile | Gaya, Bhagalpur, Aurangabad | Powerlooms at Manpur (Gaya) |
| Jute Industry | Katihar, Purnea, Araria, Kishanganj | Bihar ranks 2nd in jute production |
| Handloom Industry | Bhagalpur, Banka, Gaya, Madhubani | Products: silk, cotton cloth, carpets |
| Industry | Locations | Notes |
|---|---|---|
| Paper & Pulp | Dalmianagar, Darbhanga, Samastipur | Many units now sick |
| Wood Industry | Champaran, Kishanganj, Gaya | Terai belt dominance |
| Bamboo & Cane | Gaya, West Champaran | Bamboo = “Poor man’s timber” |
| Kattha Industry | Bettiah, Gaya | From Khair tree (Acacia catechu) |
| Industry | Major Centres | Important Facts |
|---|---|---|
| Cement Industry | Banjari, Dalmianagar (Rohtas) | Limestone-based |
| Oil Refinery | Barauni (Begusarai) | Established 1964; pipeline from Assam |
| Fertilizer Industry | Barauni, Amjhore | Nitrogen & phosphate fertilizers |
| Glass Industry | Patna, Bhagalpur, Darbhanga | Uses silica sand, limestone |
| Crusher Industry | Rohtas, Kaimur, Gaya | Granite & gneiss rocks |
| Industry | Location | Highlights |
|---|---|---|
| Rail Wagon Manufacturing | Mokama | Bharat Wagon & Engineering Ltd |
| Locomotive Factory | Madhepura, Marhaura | Alstom JV; diesel locomotives |
| Ordnance Factory | Rajgir (Nalanda) | Bio-Modular Propellant |
| Industrial Region | Districts Covered | Dominant Industries |
|---|---|---|
| Barauni Industrial Region | Begusarai | Oil refinery, fertilizer, power |
| Son Valley Region | Rohtas, Kaimur | Cement, paper, chemicals |
| Gaya–Guraru Region | Gaya | Handloom, stone crusher |
| South-Eastern Plain | Munger, Bhagalpur | Silk, guns, rail workshop |
| North-Western Sugar Belt | Champaran, Saran | Sugar mills |
| Terai Rice Belt | Sitamarhi, Raxaul | Rice milling |
| Institution | Role |
|---|---|
| BIADA | Industrial land & infrastructure |
| Udyog Mitra | Single-window facilitation |
| District Industries Centre | MSME promotion |
| Infrastructure Development Authority | PPP projects |
| Policy | Year | Focus |
|---|---|---|
| Bihar Industrial Investment Promotion Policy | 2016 | Infrastructure, MSMEs |
| Bihar Start-up Policy | 2017 | Innovation, youth, ₹500 crore fund |