Mustard oil is a versatile and highly beneficial edible and cooking oil that is extracted from the seeds of the mustard plant. Patanjali Kachi Ghani Mustard Oil is a superior quality vegetable oil that is produced by pressing mustard seeds using the cold press extraction method, also known as "Kachi Ghani". This process involves crushing the seeds at low temperatures to preserve the oil's natural properties, antioxidants, and essential oils.