Nepalese citizens with any type of passport, whether it is diplomatic passport, or service passport, or ordinary passport, should apply for a Hong Kong or Macao visa for transit or entry. For more information, please refer to the following websites:

The Immigration Department of the Government of the Hong Kong Special Administrative Region: http://www.immd.gov.hk
 
Public Security Police Force of the Government of Macao Special Administrative Region：http://www.fsm.gov.mo/psp/eng/main.html