Bail Kolhu Kacchi ghani mustard Oil which is the cold pressed variety, because of the method of processing, is considered to be the best cooking medium. On the contrary nowadays it is believed that mustard oil is protective against cardiovascular diseases and is one of the healthiest oils. According to Dr. S.C. Manchanda, former head of the department of cardiology, AIIMS, New Delhi, Coronary heart diseases (CHD) are a leading cause of death. The use of mustard oil can reduce the risk of CHD. Mustard oil is rich in non-saturated fat or unsaturated fats.