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The vowel is the most distinguishing element of speech, feature vector extracted from the vowel have been considered for identifying the Language. In the present study, speech data is collected from the native speakers of Galo and Adii languages who are fluent in speaking and writing the language. Male and female speaker of age between 15 to 30 years, possessing a pleasant and a good voice quality are chosen to record the data. The recording is done one-by one manner. The speakers were instructed to read each vowel naturally, without emotions and expression. They were asked to speak clearly and to keep their normal speaking rate and volume. To keep the recording consistent, both in phonetic and prosodic (within the framework of symbolic Prosody) terms, an expert in acoustic phonetics supervised the recording. The average duration of recording session was about 2 hours (2 recording session) for each speaker (Male Female). We have recorded and used the native speakers data sets for analysis of the cepstral coefficients of vowel.