Walk me through the sentence structure on this one... Julia Neha ko = Julia to Neha?
While English has prepositions which occur before the noun, Hindi has postpositions which follow the noun that is their object.
So, नेहा को = to Neha
Also, Hindi sentences usually have the subject-object-verb structure as opposed to subject-verb-object in English.
जूलिया- subject, नेहा को- object, चिट्ठी लिखती है- verb