Amla should be subjected to steam, then de seeding will be easy. To get good white colour pulp, steaming is done using milk. After de seeding the pulp should be dried well in sunlight and should be powdered using stainless pulveriser. De seeding should also be done using ss knives or machinary. Amla will become black when get contact with iron knife or crushers.powder mesh size should be less than 40. Based on the buyers requirement it can be done.