The total length of the Metro Rail system of Kolkata is around :

| Question | The total length of the Metro Rail system of Kolkata is around : | |
| Type | multiple_choice | |
| Option | 14 kms | incorrect |
| Option | 31 kms | correct |
| Option | 18 kms | incorrect |
| Option | 20 kms | incorrect |
| Solution | Metro Railway, Kolkata is the first underground Metro in India. It extends from Dakshineswar to Kavi Subhash Metro station near Garia, on the busy North-South axis of Kolkata over a length of 31.365 Kms. with 26 Stations & 15.70 Kms. of underground section | |