In modern times, Telephone, Mobile phones, Fax, Teleprinter, Computer etc is used fo communication, still importance of business letters does not decrease. Business tellers are simple an less expensive tool of communication which can reach any place of our choice. Other tools might b available or not at distant places and they require a considerable amount of expenditure to buy thes tools. Many a times technical know how is also important to operate modern tools which might nc be possible in distant areas. Operators need to be recruited for it which in turn will increase th expenditure. Due to all the above reasons the importance of business letters is intact.