TSF Investments is not an operating company but a listed holding vehicle - a portfolio of stakes in some of India’s largest automotive-component makers, built from the demerged investment arm of Sundaram Finance and rooted in a group whose industrial history reaches back to 1911. It earns its keep almost entirely from dividends and share-of-profit flows out of those investee companies, and its recurring pattern is to buy deeper into the businesses it already knows, often buying out foreign joint-venture partners when they decide to leave. That approach - patient capital inside a tight circle of auto-sector companies, many co-promoted with the TVS group - explains both the concentrated portfolio and the steady shift from minority stakes to control.
Business segments
Three engines, all feeding off the same automotive ecosystem - a core portfolio of component-makers that throws off dividends, a captive parts-distribution network that reaches every corner of the country, and a small manufacturing subsidiary that was bought outright.
1. Automotive component manufacturing: the dividend engine
TSFIL holds significant minority and majority stakes in a cluster of market-leading auto-component companies - most co-promoted with the TVS group - and lives off the dividends and share of profits they generate.
- The portfolio is concentrated in market leaders - Brakes India (23.57% stake) is the top braking-systems maker for cars and commercial vehicles in India and a global supplier of ferrous castings; Wheels India (23.96%) leads in wheels and air-suspension components; Turbo Energy (32.00%) is the country’s leading turbocharger manufacturer; and Axles India (now a 62.98% subsidiary) dominates axle housings for medium and heavy commercial vehicles.
- Bought out foreign partners when they exited - when ZF Friedrichshafen divested its entire holding in Brakes India in 2021, TSFIL picked up an additional 7.71% stake; when Titan Europe sold out of Wheels India, TSFIL raised its stake from 13.58% to 23.28%; and in April 2025 its board approved the acquisition of Dana Global Products’ 24.16% stake in Axles India, which upon completion would turn an associate into a subsidiary.
- Scale that rivals can’t easily replicate - the merger of Flometallic with Brakes India and its Omani subsidiary created a combined foundry capacity of 175,000 tonnes across four locations in India and Oman, making it one of the largest ferrous-casting operations in the country.
2. Automotive spare-parts distribution: the reach engine
India Motor Parts & Accessories (IMPAL), in which TSFIL holds a 21.90% stake, is the country’s largest distributor of automotive spares - a 90-plus-branch network that puts parts into workshops and retailers nationwide.
- A distribution moat built over decades - IMPAL represents more than 50 manufacturers through a branch network exceeding 90 locations, giving it a physical reach that a new entrant would need years and significant capital to match.
- TSFIL is tightening its grip - in June 2025 the board approved buying up to 4.99% more of IMPAL through the block-deal window, which would lift the stake from 20.00% to 24.99%, just below the open-offer threshold.
- Listed and independently valued - IMPAL is itself listed on the National Stock Exchange, so the value of TSFIL’s stake is marked by the market every day rather than locked inside a private book.
3. Owned manufacturing: the captive forge
Forge 2000 is a wholly owned subsidiary that makes forged metal components for the automotive industry - a small, bolt-on manufacturing capability bought outright in March 2025.
- Bought, not built - TSFIL acquired 100% of Forge 2000 on 17 March 2025 for ₹16 crore in cash, gaining a company that had been forging, pressing and stamping metal parts since its incorporation in 2000.
- A job-work business model - Forge 2000 undertakes job work for automotive customers rather than selling its own branded products, so its revenue depends on the production schedules of the manufacturers it serves.
- Modest scale, direct control - with a turnover of ₹26.90 crore in the year before acquisition, it is the smallest engine in the portfolio, but as a 100% subsidiary its cash flows and decisions sit entirely under TSFIL’s roof.
Group structure and partners
TSFIL sits inside the century-old TSF group, with Sundaram Finance as its promoter and the TVS family as the common thread running through almost every investee company.
- Promoted by Sundaram Finance Limited - the listed NBFC that founded the group’s auto-lending, insurance and asset-management businesses in 1954 is TSFIL’s promoter, and the two share a heritage that traces back to T V Sundram Iyengar & Sons Private Limited, the holding company of the TVS Group.
- Axles India is the bridge from associate to subsidiary - after the Dana buyout, TSFIL holds 62.98% directly and an effective 87.14% including stakes held through a subsidiary and an associate, making it the only large operating company under TSFIL’s formal control.
- Co-promoters are long-standing industrial partners - Trichur Sundaram Santhanam and Family Private Limited is co-promoter of both Brakes India and Wheels India; BorgWarner Turbo Systems of Germany is co-promoter of Turbo Energy; and ZF Friedrichshafen, though no longer a shareholder, continues to supply technology licences to Brakes India.