2) This is a popular myth. As said it is myth, there is no truth in this. Often we listen some elder people saying that you should shave regularly and thoroughly to make beard grow faster. But it’s a myth and it’s a myth. Have a shave only when you want to.
3) Amla has such properties which promote hair growth. This is the reason why Amla oil is applied to hair. It carries the same benefits even for beard. Apply Amla oil at places where your beard grows. Have a massage and let the Amla oil dry for 20 mins. Then clean your face. Do it on regular basis.