| two laning of highways through ppp (manual for specifications and standards) |
| four laning of highways through ppp |
| six laning of highways |
| Manual for specifications and standards for expressways |
| 12th five year plan for roads & highways |
| guidelines for investment in road sector |
| Public auditing guidelines for ppp in infrastructure |
| B K Chaturvedi committee on NHDP |
| Report of CAG on implementstion of PPP projects in NHAI |
| Compendium of PPP projects in state highways |
