What do you call moosambi in English?

Moosambi is a fruit of the citrus family and the species limetta -Citrus Limetta - and in North America, generally identified with the common term "Orange".

In southern India, Orange generally denotes "kittale hannu", whereas in North America, moosambi is Orange.

The southern Indian "kittale hannu" is known as "minneola", "mandarin orange" and other names for slightly different varieties of orange family.

Also check wikipedia for "moosambi" and orange.