How do you say post office in Hindi?
— डाकघर (m) (ḍākghar); पोस्ट-ऑफ़िस (m) (posṭ-ofis)

Generic synonyms for post office in Hindi
armबांह (f) (bānah); (f) (bā̃h)भुजा (f) (bhujā)
branchडाल (f) (ḍāl)