How to fetch group name from query?
//Get the Field information.
$field = field_info_instance('node', 'field_business_challenge', DIGITAL_IQ);


//Obtain group of that field.
$field_group = field_get_field_group($field); 


//Get the name of the group from the Lable Attribute.
dpm($field-&gt;Lable);


There you go, you have the group name.