Kolkata Metro Line 4 (Yellow Line — Under Construction Section: Jai Hind Airport ↔ Michael Nagar)
Kolkata Metro Line 4 (Yellow Line - Under Construction Segment) spans 2.06 km across 2 underground stations (Birati and Michael Nagar). Extending from the operational Jai Hind (NSCBI Airport) subterranean terminal, this underground section passes through Birati to Michael Nagar, bypassing heavy surface encroachments and airport runway obstruction zones along Jessore Road.
Want Your Brand Featured Here?
Reach thousands of decision-makers and investors searching for infrastructure projects every month.
Kolkata Metro Yellow Line Economics
Expected Completion Date
Kolkata Metro Yellow Line Stations
| # | Station | Type | Interchange / Connection | Opened |
|---|---|---|---|---|
| 01 | Jai Hind | Underground Operational Hub | NSCBI Airport Terminal & Line 6 Orange Line Interchange | 25 August 2025 |
| 02 | Birati | Underground (Under Construction) | Birati Suburb & Jessore Road Junction Node | Target 2027 |
| 03 | Michael Nagar | Underground (Under Construction) | Michael Nagar Terminal & Barasat Alignment Shaft | Target 2027 |
Jai Hind Airport ↔ Michael Nagar Underground Alignment Map
Kolkata Metro Yellow Line Technical Specifications
| Parameter | Value |
|---|---|
| Corridor Status | Under Construction |
| Line Number | Line 4 (Yellow Line) |
| Total Length | 2.06 km Under Construction Route |
| Stations Count | 2 Planned Underground Stations (Birati and Michael Nagar) |
| Corridor Type | Underground Cut-and-Cover Tunneling & TBM Shaft Drive |
| Operator | Metro Railway, Kolkata (Owner: Indian Railways / RVNL) |
| Opened / Est. Opening | Target Opening: 2027 |
| Maximum Design Speed | 80 km/h |
| Track Gauge | Broad Gauge (1,676 mm / 5 ft 6 in) |
| Electrification System | 750V DC Third Rail |
| Primary Depot | Noapara Metro Depot |
Kolkata Metro Yellow Line Timeline
Railway Board sanctioned ₹1,615 Cr material modification converting Airport–Michael Nagar section underground.
Airports Authority of India (AAI) shifted fuel tanks, utility buildings, and radar cables for underground tunneling.
Prime Minister Narendra Modi approved underground cut-and-cover method to prevent eviction of local families along Jessore Road.
Operational Yellow Line to Jai Hind Airport commissioned; active civil works continued towards Birati and Michael Nagar.
Targeted completion of underground tunneling and commissioning of Birati and Michael Nagar metro stations.
Yellow Line Airport Extension & Northern Suburban Connectivity
Economic Significance
Provides underground high-capacity transit connecting NSCBI Airport directly to dense northern suburban residential zones at Birati and Michael Nagar.
Traffic Impact
Bypasses massive traffic gridlocks on Jessore Road and National Highway 12 (NH-12).
Employment Centres Served
Enables fast daily commute for airport staff, cargo logistics workers, and North 24 Parganas suburban residents.
Intermodal Connectivity
Provides seamless continuous single-seat ride from Birati and Michael Nagar into Noapara and Central Kolkata.
Impact on Real Estate
Sparked commercial redevelopment and residential housing demand in Birati and Michael Nagar.
Kolkata Metro Yellow Line Alignment Map & GIS Explorer
Frequently Asked Questions
Enjoy tracking infrastructure projects?
Get monthly updates whenever major Indian infrastructure projects move forward.