Deepak Fertilisers And Petrochemicals Corporation Limited

Listed industrial group founded in 1979 and headquartered in Pune, active in industrial chemicals, technical ammonium nitrate and crop nutrition. Its pharmaceutical angle is the PUROSOLV line of pharmacopoeial-grade solvents — acetone and methylene dichloride — alongside isopropyl alcohol, methanol and food-grade liquid carbon dioxide. Its nitric acid supplies drug and dye intermediate production.