Why would the moong dal not sprout if it is fully covered in water even for two days?

Moong dal or any kind of dal is the half splits of entire seed. Dal is made by splitting the entire seeds. The seeds can germinate or sprout not the dal. If you want mung sprouts you have to put the green mung seeds in water for 8-10 hours to soak. After that take them away remove all the excess water from the moong seeds and then keep them in cotton cloth overnight properly covered. You will get moong sprouts. For any sprouts you may use the same procedure.