finally i solved this ....
- (void)viewDidLoad
{
[super viewDidLoad];
m_pLocatiomManager = [[CLLocationManager alloc] init];
m_pLocatiomManager.desiredAccuracy = kCLLocationAccuracyBest;
m_pLocatiomManager.delegate = self;
[m_pLocatiomManager startMonitoringSignificantLocationChanges];
[m_pLocatiomManager startUpdatingLocation];
}
in method to add region . . .
if ([UIDevice currentDevice].systemVersion.floatValue >= 7.0)
{
float rad = 100;
CLLocationCoordinate2D startLocation;
startLocation.latitude = 12.9667 ;
startLocation.longitude =77.5667 ;
CLCircularRegion * reg1 = [[CLCircularRegion alloc] initWithCenter:startLocation radius:rad identifier:@"location"];
[m_pLocatiomManager startMonitoringForRegion:reg1];
}
else
{
float rad = 100;
CLLocationCoordinate2D startLocation;
startLocation.latitude = 12.9667;
startLocation.longitude = 77.5667;
[m_pLocatiomManager startMonitoringForRegion:[[CLRegion alloc] initCircularRegionWithCenter:startLocation radius:rad identifier:@"location"]];
}