Unable to start chrome using chromedriver

Hi,

I am unable to start chrome using chrome driver,running below code
System.setProperty("webdriver.chrome.driver", "C:\\Jars\\chromedriver.exe");
ChromeDriver cd = new ChromeDriver();
cd.get("http://bbc.com");

and getting below exception

Exception in thread "main" org.openqa.selenium.WebDriverException: unknown error: chrome failed to start
(Driver info: chromedriver=2.20.353145 (343b531d31eeb933ec778dbcf7081628a1396067),platform=Windows NT 6.1 SP1 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 906 milliseconds
Build info: version: '2.50.1', revision: 'd7fc91b', time: '2016-01-29 19:08:26'
System info: host: 'AzadModi-PC', ip: '192.168.1.34', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.7.0_67'
Driver info: org.openqa.selenium.chrome.ChromeDriver
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:206)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:678)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:249)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:131)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:144)
at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:170)
at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:159)
at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:116)
at Drivers.main(Drivers.java:16)


Please help on the same.

Regards,
Azad