Solar Industries India Limited

Solar Industries India was founded at Nagpur in 1995 and grew into the country's largest maker of commercial explosives long before anyone thought of it as a defence company. It sells into roughly 90 countries. Manufacturing sites are spread across Rajasthan, Madhya Pradesh, Maharashtra, Odisha, Chhattisgarh, West Bengal, Jharkhand and Andhra Pradesh, with overseas plants in Turkey, Zambia, South Africa, Australia, Ghana and Tanzania, and the shares trade on the National Stock Exchange and the BSE. Consolidated revenue has run near 9,800 crore rupees on a trailing basis, and more than 200 customers have been with the company for a decade or longer. Order intake in one recent year reached 2,650 crore rupees.

Industrial explosives still carry most of the revenue, about 72 percent in the 2024-25 financial year. That covers bulk emulsion pumped straight into blast holes at coal and metal mines, packaged cartridge explosives, and the blast design work that goes with them for quarries, tunnels, hydro projects, seismic exploration and civil construction. The initiating systems line makes electronic, electric, non electric and plain detonators, detonating cord, cord relays and cast boosters. That line matters more than its revenue share suggests, because the chemistry and precision timing behind a detonator are the same competences an ammunition business needs, and it is how the company crossed over.

The defence business has grown quickly, from roughly six percent of revenue in the 2022-23 year to a much larger share since, and it runs partly through two wholly owned subsidiaries, Economic Explosives Limited and Solar Defence and Aerospace Limited. Product families include high energy materials such as HMX, RDX and TNT and their molecular compounds, composite, single base, double base and triple base propellants, rockets and missile motors, bombs and warheads, ammunition and fuzes, anti tank mines, chaffs and flares, and non detonating explosives. Solar supplies composite propellant used in the Pinaka multi barrel rocket system and in the Akash and BrahMos missile programmes, and it has taken commercial orders for complete Pinaka rockets and 155 mm artillery shells. It also makes the multi mode hand grenade adopted by the Indian Army after decades of the older design. The unmanned line is newer and moving fast. Economic Explosives developed Nagastra-1, described as India's first indigenous loitering munition, and won a Ministry of Defence order worth about 212 crore rupees for it, while the group is also working on the Rudrastra long endurance unmanned aircraft and vertical take off counter drone systems. Overseas operations, built on the same mining customer base, remain the group's second engine. Explosives paid for all of it. What makes the shift plausible is that none of it required a new core competence, only new customers and a different set of approvals.