DMRC builds 28.76 km of underground lines in Phase-4 expansion
These include the future Silver Line from Tughalakabad to Aerocity and the Magenta Line extensions from Janakpuri West to RK Ashram Marg (28.92km, 12.55km, and 12.92km, respectively). From the Violet and Airport Lines' respective endpoints, the Silver Line will join them.
The overall subterranean length of the Janakpuri West-RK Ashram Marg corridor will be 9.41 km, whilst the Aerocity-Tughlakabad corridor would be 19.35 km. There would be no underground segment between Majlis Park and Maujpur.
On the Janakpuri West-RK Ashram Marg corridor, the Delhi Metro has so far finished 2.2 km of underground tube (for up and down movement) between Krishna Park Extension and Keshopur.
This new section of tunnel is an extension of the earlier Magenta line tunnel, which was built for the Botanical Garden-Janakpuri West corridor, which is still in use.
The construction of the ramp and entry/exit points as well as around 70% of the Krishna Park Extension station have been finished on this underground section, in addition to the twin tunnels.
Although the full Janakpuri West-RK Ashram Marg corridor won't be finished until September 2025, the civil construction of this particular underground portion will be finished by the beginning of the following year.
Tughlakabad to Aerocity
On March 3, the first Tunnel Boring Machine (TBM) on the Aerocity-Tughlakabad Corridor began its work to bore a 1.27-kilometer tunnel connecting the stations of Chhatarpur and Kishangarh.
The Janakpuri West-RK Ashram Marg corridor's Sangam Vihar-Anandmayee (Aerocity-Tughlakabad corridor), Derawal Nagar-Pulbangash, and Nabi Karim-Pulbangash segments will all see the start of tunnelling drives in the upcoming months.
While the digging on the RK Ashram Marg corridor will be a routine task, the Delhi Metro will face a significant engineering challenge on the Aerocity-Tughlakabad corridor since the line will travel under 17 pairs of operational railway tracks, which is a record in and of itself.
MMRDA advances 250 m on Orange Gate–Marine Drive tunnel
The Mumbai Metropolitan Region Development Authority (MMRDA) has completed 250 m of underground tunnelling for the Orange Gate–Marine Drive Urban Road Tunnel using India’s largest slurry shield tunnel boring machine (TBM) deployed for an urban road project.The project involves twin tunnels extending over 7 km beneath critical transport corridors, including Central Railway, Western Railway and Metro Line 3. The work requires high-precision engineering to navigate densely developed urban infrastructure.Once completed, the tunnel is expected to reduce travel time between Orange Gate and Marin..
Hindustan Zinc Pays Rs 188.46 Billion in FY26
Hindustan Zinc contributed Rs 188.46 billion to the public exchequer in FY 2025-26, according to its 9th Tax Transparency Report. The contribution, equivalent to 46 per cent of the company’s revenue, included direct and indirect taxes, government royalties, dividends to the Government of India, withholding taxes and other statutory levies.The company’s five-year cumulative contribution to the exchequer stood at Rs 915.72 billion. In FY26, Hindustan Zinc reported revenue of Rs 408.44 billion, EBITDA of Rs 221.62 billion and profit after tax of Rs 138.32 billion. It also achieved its highest..
World of Concrete India 2026 Opens in Mumbai
Informa Markets in India will host the 12th edition of World of Concrete India 2026 from 3–5 June 2026 at the Bombay Exhibition Centre, Mumbai. The specialised B2B exhibition will bring together manufacturers, suppliers, contractors, developers, architects, consultants, infrastructure companies, project leaders and government stakeholders.The event is expected to feature over 350 brands and more than 18,000 trade professionals. It will cover concrete and cement, dry mortar, precast technologies, formwork, construction chemicals, industrial and commercial flooring, scaffolding, safety solutio..
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