Hi Saravanan,
In T.Nagar Vivekananda Institute is there near by T.Nagar vegetable market. The name of the institute’s principal is Mr.Rajagopalan. you can contact him, they teach spoken english with explanation in Regional languages. The fee is nominal only. I wish u all the best. If you want to improve your english just practice tongue twisters which can be downloaded from the web site “BPOAvenues.com” and Englishclub.com take care. bye.