D-Vois Communications — very unprofessional & pathetic unresponsive customer support

Address:	560068
Website:	www.dvois.com/home.html

D-vois communication pvt ltd is giving internet service in bangalore under brand name i-on internet services. I have been there customer since 250 day's & facing connection problem 3-4 times in a week which will go up to 36+ hours upon contacting coustmer server's no will respond to my issues.

As i have already paid for total 6 month subscription fee in advance now i want to withdraw my subscription from the same.

Can anyone kindly suggest the steps to withdraw my subscription due to very poor & pathetic customer services!!