Currently i am using the following way to encode the url
urlAndMethod.stringByAddingPercentEncodingWithAllowedCharacters(NSCharacterSet.URLQueryAllowedCharacterSet())!
After encoding
http://103.50.154.52:8383/api/master/insta-list?category=Postpaid%20Mobile%20CDMA%20&%20Landline
How do i handle the special characters including '&'