In a simmering boiling water, poach shrimps until fully cooked. Drain and set aside.
In a large bowl, combine shredded mangoes, shrimps, carrot, herbs, chili, and peanuts.
In a small bowl, combine fish sauce and sugar to make the dressing. Dissolve the sugar completely.
Add the dressing to the salad mixture and the lime juice; toss well. Taste and adjust the seasoning according to your taste. Sprinkle with the fried shallots and serve!