Cook Sago/ Tapioca pearls in boiling water until its transparent.
Strain and keep it ready.
Peel and chop sweet and ripe mangoes
Add chopped mangoes, sugar and milk in blender and blend to a fine paste. Few chunks are ok.
Take it in a bowl, add condensed milk, cooked Sago and mix well.
Transfer to serving cups and chill for an hour and serve !