Kolkata: Rail Vikas Nigam Limited (RVNL) has invited bids for a ₹297.45 crore contract to develop key electrical and traction infrastructure for Kolkata Metro’s Purple Line. The project includes power distribution systems, traction substations and a 750-volt direct current (DC) third-rail traction system to support metro train operations along designated sections of the corridor.
The contract covers four underground stations between Mominpur and Esplanade, along with the associated tunnels. It also includes the elevated section between Joka and the Indian Institute of Management (IIM), Kolkata.
The proposed works are part of the Diamond Park–Joka–Esplanade corridor, which aims to expand metro connectivity across southern and central Kolkata.
RVNL’s ₹297.45 Crore Contract for Kolkata Metro Purple Line
The ₹297.45 crore tender focuses on establishing essential electrical infrastructure required for metro operations. The scope includes power distribution arrangements, traction substations and a 750 V DC third-rail traction system.
Traction substations supply the electrical power required to operate metro trains, while the third-rail system delivers electricity to compatible train equipment. Together, these systems form a crucial part of the infrastructure needed for reliable metro services.
The contract also covers electrical and traction-related works for the specified underground and elevated sections, including the stations and associated tunnels between Mominpur and Esplanade.
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Project Covers Mominpur–Esplanade and Joka–IIM Sections
The tender covers four underground stations between Mominpur and Esplanade, along with associated tunnels, as well as the elevated section between Joka and IIM. These works form part of the Diamond Park–Joka–Esplanade corridor, which aims to improve metro connectivity across southern and central Kolkata. The power distribution and traction infrastructure will support metro operations and strengthen the city’s expanding public transport network.
Kolkata Metro Purple Line to Strengthen Urban Connectivity
The Diamond Park–Joka–Esplanade corridor is being developed to extend metro connectivity across key parts of Kolkata. The expansion is expected to improve access to public transport for commuters travelling through southern and central parts of the city.
The electrical and traction infrastructure covered under RVNL’s tender will form part of the systems required to operate metro services along the designated sections. The contract represents another step in the development of the infrastructure supporting the Purple Line.
About Rail Vikas Nigam Limited (RVNL)
Rail Vikas Nigam Limited (RVNL) is a public sector undertaking under the Ministry of Railways. The company undertakes project development and execution for railway infrastructure, including new railway lines, doubling, electrification, bridges, workshops and other transportation infrastructure projects.
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