Formal Letter in Hindi – औपचारिक पत्र – Hindi Letter writing or writing letters in any language is an art and we know that all these letters have a pre-specified format. Formal letters are specially written to authorities such as leave application to the school authorities, letter to the editor of a newspaper, or application to any government departments so that they stay on record. Here we have tried to let you know the correct format and language of formal letters in Hindi with examples.