HBL Engineering Limited is an India-based specialized engineering company primarily engaged in the design, development, and manufacture of batteries, electronics, and engineered products. The company's core offerings include advanced battery technologies (such as Lead-Acid, Nickel-Cadmium, and Lithium-ion), railway signaling electronics, and the Kavach (Train Collision Avoidance System). HBL Engineering was founded in 1977 and is headquartered in Hyderabad, India.