| Zone/Section-wise Length of Double/Multiple Railway Line Tracks Completed in India (2006-2017) | ||
| Railway Zone | Section | Km. |
| Central | ||
| Eastern | ||
| East Central | ||
| East Coast | ||
| Northern | ||
| North Eastern | ||
| Northeast Frontier | ||
| North Western | ||
| North Western/ RVNL | ||
| Southern | ||
| South Eastern | ||
| South Central | ||
| South East Central | ||
| Southern (ERS) | ||
| Southern/RVNL | ||
| South Western | ||
| Western | ||
| West Central | ||
| West Central/RVNL | ||
| Total | ||
