Kolkata Metro Line 3 (Purple Line — Operational Route: Joka ↔ Majerhat)
Kolkata Metro Line 3 (Purple Line - Operational Segment) spans 7.75 km across 7 elevated stations connecting Joka in South 24 Parganas to Majerhat along Diamond Harbour Road. The corridor serves as the primary mass transit lifeline for Behala, Thakurpukur, and South Kolkata suburbs, providing direct rail interchange with Eastern Railway suburban and Circular Railway trains at Majerhat.
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Kolkata Metro Purple Line Economics
Expected Completion Date
Kolkata Metro Purple Line Stations
| # | Station | Type | Interchange / Connection | Opened |
|---|---|---|---|---|
| 01 | Joka | Elevated Terminal | Joka Depot Link & Diamond Harbour Road Axis | 30 Dec 2022 |
| 02 | Thakurpukur | Elevated | South 24 Parganas Feeder Axis | 30 Dec 2022 |
| 03 | Sakher Bazar | Elevated | Behala South Commercial Hub | 30 Dec 2022 |
| 04 | Behala Chowrasta | Elevated | Central Behala Transit Node | 30 Dec 2022 |
| 05 | Behala Bazar | Elevated | Behala Market & Retail Corridor | 30 Dec 2022 |
| 06 | Taratala | Elevated | Industrial Precinct & Mint Node | 30 Dec 2022 |
| 07 | Majerhat | Elevated Terminal | Majerhat Railway Station (Suburban & Circular Rail) | 06 Mar 2024 |
Joka ↔ Majerhat Geospatial Alignment Map
Kolkata Metro Purple Line Technical Specifications
| Parameter | Value |
|---|---|
| Corridor Status | Operational |
| Line Number | Line 3 (Purple Line) |
| Total Length | 7.75 km Operational Route (Joka to Majerhat) |
| Stations Count | 7 Operational Elevated Stations |
| Corridor Type | Elevated Viaduct Corridor |
| Operator | Metro Railway, Kolkata (Owner: Indian Railways / RVNL) |
| Opened / Est. Opening | 30 Dec 2022 (Joka – Taratala) | 06 Mar 2024 (Taratala – Majerhat) |
| 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 | Joka Metro Depot (South 24 Parganas) |
Kolkata Metro Purple Line Timeline
Joka to B.B.D. Bagh corridor sanctioned by Ministry of Railways at ₹2,619.02 Cr.
RVNL commenced land development and boundary wall construction for Joka Metro Depot.
Electrification completed and trial runs commenced between Joka and Taratala.
Phase 1 (Joka to Taratala, 6.50 km, 6 stations) inaugurated by Prime Minister Narendra Modi.
Taratala to Majerhat section (1.25 km) inaugurated by PM Narendra Modi, connecting Majerhat Station.
Saturday commercial operations introduced with 40 daily services between Joka and Majerhat.
Purple Line Transit Impact & Suburban Connectivity
Economic Significance
Provides high-capacity mass transit along Diamond Harbour Road, relieving dense traffic bottlenecks across Behala and Thakurpukur.
Traffic Impact
Cuts commuting time from Joka to Majerhat from over 45 minutes by road to under 15 minutes by metro.
Employment Centres Served
Serves suburban residential commuters traveling to Central Business Districts via Majerhat railway interchange.
Intermodal Connectivity
Direct seamless modal interchange with Majerhat Suburban Railway Station and Kolkata Circular Railway.
Impact on Real Estate
Boosted residential real estate developments and commercial hub values along the Diamond Harbour Road corridor.
Kolkata Metro Purple Line Alignment Map & GIS Explorer
Frequently Asked Questions
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