Sona BLW Precision Forgings Forms JVs with DENSO, Approves EV Business Transfer at ₹8,932 Million
Sona BLW Precision Forgings has signed definitive agreements with DENSO Corporation, Japan, to form two joint ventures for electric and hybrid powertrain systems, with board approval on July 22, 2026. The EV business transfer to Sona Comstar eDrive is valued at ₹8,932 million, while DENSO will acquire a 49% stake in the 2W/3W-focused entity at an enterprise value of ₹17,500 million. The 4W/CV joint venture will be DENSO-led with a 51% stake, while Sona Comstar retains management control in the 2W/3W venture with a 51% holding.

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Sona BLW Precision Forgings has signed definitive agreements with DENSO Corporation, Japan, to establish two joint ventures focused on developing advanced electric and hybrid powertrain systems. The Board of Directors approved the transactions, including the transfer of its EV business to Sona Comstar eDrive Private Limited at ₹8,932 million, at its meeting held on July 22, 2026, subject to regulatory and shareholder approvals. This partnership aims to advance the electric mobility landscape by combining DENSO's technology leadership with Sona Comstar's engineering excellence and manufacturing capabilities.
Four-Wheeler and Commercial Vehicle Joint Venture
The first joint venture will target the four-wheeler and commercial vehicle segments. Sona Comstar and DENSO have entered into a Joint Development Agreement to create high-efficiency liquid-cooled traction inverters, traction motors, and generators. To commercialize these products, a new entity will be established in India where DENSO will hold a 51% equity stake and assume management control, while Sona Comstar will hold the remaining 49%.
Two-Wheeler and Three-Wheeler Joint Venture
The second joint venture focuses on the two-wheeler and three-wheeler market. Sona Comstar will transfer its existing electric traction motor and controller business to Sona Comstar eDrive Private Limited, a wholly owned subsidiary, via a slump sale at a value of ₹8,932 million. Subsequently, DENSO will acquire a 49% equity stake in Sona eDrive at an enterprise value of ₹17,500 million, with Sona Comstar retaining 51% and management control. This entity will manufacture air-cooled traction inverters, traction motors, generators, and e-Axles.
Transaction Overview
The key terms of both joint ventures are summarised below:
| Segment | Focus Area | DENSO Stake | Sona Comstar Stake |
|---|---|---|---|
| 4-Wheeler & CV | Liquid-cooled traction systems | 51% | 49% |
| 2-Wheeler & 3-Wheeler | Air-cooled traction systems & e-Axles | 49% | 51% |
| Parameter | Details |
|---|---|
| EV Business Transfer Value | ₹8,932 million |
| DENSO Acquisition Enterprise Value (2W/3W JV) | ₹17,500 million |
| DENSO Stake (2W/3W JV) | 49% |
| Sona Comstar Stake (2W/3W JV) | 51% |
Both parties have agreed to license intellectual property and know-how to their respective majority-owned joint ventures against royalty payments. Deloitte India, Trilegal, and KPMG India acted as financial, legal, and diligence & tax advisors, respectively, to Sona Comstar. The transactions are expected to close upon receipt of relevant regulatory approvals and satisfaction of customary closing conditions.
Historical Stock Returns for Sona BLW Precision Forgings
| 1 Day | 5 Days | 1 Month | 6 Months | 1 Year | 5 Years |
|---|---|---|---|---|---|
| -0.85% | +8.95% | +16.99% | +63.46% | +48.90% | +64.93% |
What is the expected timeline for obtaining regulatory approvals and closing the transactions?
How will the joint ventures impact Sona Comstar's revenue and profit margins in the next fiscal year?
What are the potential market share gains for the joint ventures in the EV powertrain segment?


































