the turkish grand national assembly (tgna) opened in 1920. aras was elected to the parliament from muğla. in his first period as a member of parliament (mp), he was appointed to the independence court of kastamonu. in the autumn of 1920, he became one of the founders of the communist party of turkey. tevfik rustu visited the russian soviet federative socialist republic with ali fuat cebesoy, when mr. cebesoy was appointed as ambassador to moscow. he served as mp for izmir in the second, third, fourth and fifth periods of tgna, between 1923 and 1939.