Mistri Airways operated flight services between Bombay, Nagpur and Calcutta, in addition to charter work. In 1947, it changed it name of Indian Overseas Airlines. In 1949, it also got license to operate flights for Air-mail services and also started operating on other routes like Nagpur -Hyderabad -Banglore - Madras and Nagpur- Jabalpur - Allahbad -Kanpur -Lukhnow. The night air mail services first license was granted to Indian Overseas Airlines but the airlines closed by end of year 1950 due to financial problems.
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