The  Rajkarnikar  are a  Newar  clan, the original inhabitants of the  Kathmandu   Valley , which is  Nepal 's capital,  Kathmandu , its sister city,  Lalitpur , Patan, and  Bhaktapur . The Rajkarnikar clan are also called  halwais  or palma halwais. The traditional Rajkarnikar occupation is making candy and sweet confections,