Kolkata is the first underground Metro in India. It extends from Noapara near Netaji Subhas Chandra Bose Airport, to Kavi Subhash Metro station near Garia, on the busy North-South axis of Kolkata over a length of 27.33Kms. with 24 Stations. Dum Dum – Tollygunge corridor was first selected for implementation and work started on 29th December, 1972. The first metro line in India was completed on 24th October 1984.
North to South metro stations and Distance
| Sl No. | Stations Name | Distance (metre) |
| 1 | Noapara-Dum Dum | 2311.42 |
| 2 | Dum Dum-Belgachia | 2128.34 |
| 3 | Belgachia-Shyambazar | 1523.49 |
| 4 | Shyambazar-Sovabazar Sutanuti | 1073.21 |
| 5 | Sovabazar Sutanuti-Girish Park | 1038.34 |
| 6 | Girish Park-Mahatma Gandhi Road | 671.34 |
| 7 | Mahatma Gandhi Road-Central | 983.37 |
| 8 | Central-Chandni Chowk | 817.87 |
| 9 | Chandni Chowk-Esplanade | 332.64 |
| 10 | Esplanade-Park street | 1131.63 |
| 11 | Park street-Maidan | 629.98 |
| 12 | Maidan-Rabindra Sadan | 912.47 |
| 13 | Rabindra Sadan-Netaji Bhavan | 941.20 |
| 14 | Netaji Bhavan-Jatin Das Park | 1141.57 |
| 15 | Jatin Das Park-Kalighat | 690.26 |
| 16 | Kalighat-Rabindra Sarovar | 945.23 |
| 17 | Rabindra Sarovar-Mahanayak Uttam Kumar | 1448.14 |
| 18 | Mahanayak Uttam Kumar-Netaji | 1795.75 |
| 19 | Netaji-Masterda Surya Sen | 1704.94 |
| 20 | Masterda Surya Sen-Gitanjali | 1036.82 |
| 21 | Gitanjali-Kavi Nazrul | 1336.79 |
| 22 | Kavi Nazrul-Shahid Khudiram | 1210.86 |
| 23 | Shahid Khudiram-Kavi Subhash | 1526.99 |
The second metro phase in Kolkata East to West side. It extends from Howrah Maidan near Howrah station to Sector V near Saltlake. Howrah Maidan to Phoolbagan line is Underground station approximately 6 kms, and Phoolbagan to Sector V liner is elevated station approximately 10 kms, total 12 stations.
East to West metro stations and Distance
| Sl No. | Stations Name | Distance (metre) |
| 1 | Howrah Maidan-Howrah | 774.15 |
| 2 | Howrah-Mahakaran | 2424.62 |
| 3 | Mahakaran-Esplanade | 1941.01 |
| 4 | Esplanade-Sealdah | 2134.62 |
| 5 | Sealdah-Phool Bagan | 2508.47 |
| 6 | Phool Bagan-Saltake Stadium | 1311.22 |
| 7 | Saltake Stadium-Bengal Chemical | 758.11 |
| 8 | Bengal Chemical-City Centre | 1450.38 |
| 9 | City Centre-Central Park | 1233.22 |
| 10 | Central Park-Karunamoyee | 845.13 |
| 11 | Karunamoyee-Sector V | 1256.34 |