Is sendha namak is epsomn salt?

No, sendha namak (rock salt) and Epsom salt are not the same. Sendha namak is a type of salt primarily composed of sodium chloride and is often used in cooking, especially during fasting in India. Epsom salt, on the other hand, is made up of magnesium sulfate and is commonly used for therapeutic purposes, such as in baths for muscle relaxation. They have different chemical compositions and uses.