How do you say message in Hindi?
— संदेश (m) (sandeś); मेसेज (m) (mesej)

Specialized synonyms for message in Hindi
bodyबदन (m) (badan)
garbageकचरा (kačrā)
informationजानकारी (f) (jānkārī)
nonsenseबकवास (f) (bakvās)
opinionविचार (m) (vicār); राय (f) (rāy); ख़याल (m) (xayāl)
storyकहानी (f) (kahāni)