Diamond Power Infrastructure Limited (DPIL), based in Vadodara, Gujarat, is an integrated power transmission and distribution (T&D) solutions provider, offering conductors, cables, transmission towers, and EPC services under the "DIACABS" brand. The company was originally established as a conductor manufacturer in 1970 by Mr. S N Bhatnagar, a first-generation technocrat, and was later incorporated as Diamond Power Infrastructure Limited on August 26, 1992.
The company operates across the entire power transmission and distribution value chain, manufacturing a comprehensive range of products including conductors, power cables, transmission towers, and transformers. Diamond Power has a manufacturing unit in Vadodara and a distribution network spanning 16 Indian states. With 9 manufacturing locations and headquarters, all located in Vadodara, Gujarat, the company also has more than 100 distributors across 16 Indian states.
The company is engaged in the manufacturing and sale of conductors, cables, and transmission towers, operating in the Transmission and Distribution of Power (T&D) related business segment. Diamond Power designs and manufactures a range of power transmission equipment that includes conductors, power cables (HV, LV, and UHV), and transmission towers. The company's product portfolio includes power and control cables, MV and EHV cables, conductors, and transmission towers.
The company provides turnkey services in T&D, manufactures Power Cables up to 550KV, Power & Distribution Transformers up to 220KV, Transmission and Distribution Conductors up to 765KV, and Transmission Towers. At present, it commands presence across the value chain - conductors, cables (LT, HT & EHV), transformers (power and distribution), transmission towers, and EPC services.
Diamond Power Infrastructure has shown remarkable financial improvement in recent years. For the full year ended March 2025, net profit rose 102.58% to ₹34.50 Crore compared to ₹17.03 Crore in the previous year ended March 2024. Sales rose 224.84% to ₹1,115.39 Crore in the year ended March 2025, as against ₹343.37 Crore during the previous year ended March 2024.
The company's quarterly performance has been particularly strong. For the quarter ended March 2025, sales rose 148.35% to ₹333.81 Crore compared to ₹134.41 Crore during the previous quarter ended March 2024, though net profit declined 46.88% to ₹7.66 Crore compared to ₹14.42 Crore.
- Revenue: ₹1,115.39 Crore (up 224.84% YoY)
- Net Profit: ₹34.50 Crore (up 102.58% YoY)
- Q4 FY25 Revenue: ₹333.81 Crore (up 148.35% YoY)
- Q4 FY25 Net Profit: ₹7.66 Crore (down 46.88% YoY)
Diamond Power Infrastructure Ltd has a market capitalization of ₹8,150 Crore as of July 2025, positioning it as a mid-cap company in the Indian stock market. The company's 52-week high share price is ₹193.58 and 52-week low share price is ₹81.00.
Promoter holding in Diamond Power Infrastructure Ltd stands at 90.00% as of March 2025, down from 90.58% as of June 2024. This high promoter holding indicates strong management confidence in the company's future prospects.
Diamond Power Infrastructure has been securing significant orders that strengthen its revenue pipeline. In June 2025, the company received ₹116.71 Crore orders for Battery Storage, Smart Metering, and Highway projects from domestic clients. The company also secured orders worth ₹1,400 Crore from the Indian Railways for construction of railway infrastructure projects.
The company's order book momentum continues to strengthen with major infrastructure projects. Diamond Power Infrastructure also received orders worth ₹1,700 Crore from the Indian Railways for construction of railway infrastructure projects. These substantial orders provide revenue visibility and support the company's growth trajectory.
Diamond Power Infrastructure share price has given a return of 12.28% in the last 6 months and 168.39% in the last year. The stock has emerged as a significant performer in the power transmission sector, benefiting from India's expanding infrastructure and power transmission requirements.
The stock has outperformed the broader market, with strong technical indicators supporting its upward momentum. However, investors should note the cyclical nature of the power transmission business and the impact of government policy changes on the sector.
The power transmission and distribution sector in India is experiencing robust growth driven by government initiatives for infrastructure development and renewable energy integration. The company is well-positioned to benefit from the government's focus on power infrastructure development and the increasing demand for transmission and distribution equipment.
Diamond Power Infrastructure's comprehensive product portfolio and established distribution network provide competitive advantages in capturing market opportunities. The company's focus on manufacturing high-voltage equipment and EPC services aligns with the industry's trend toward more sophisticated transmission solutions.
The stock represents an investment opportunity in India's power infrastructure story, with strong fundamentals, growing order book, and improving financial performance supporting its market position.
