Hi Welcome to Healthcare magic....
I am not an ayurvedic doctor and so cant tell you on that.
I would suggest go for Bone marrow transplant
if 1)Have a HLA
matched donor 2)are financially affordable.
The success of bone marrow transplant depends on the stage of the disease but the results are very good.
If there is a donor suitable , which is hard to find and if financially affordable can go for Bone marrow transplant.
I dont think there is anything in ayurvedic medications for the treatment of leukemias (Blood Cancer