How do I pay land tax of rural in Bhutan?

Since your inquiry is about Bhutan and not related to Singapore property or real estate, I cannot provide the information you are looking for. For questions about paying land tax in Bhutan, you would need to refer to the specific guidelines and regulations set by the Bhutanese authorities, such as those outlined in the sources you provided.

If you have questions about property taxes, payments, or any other aspects related to real estate in Singapore, I would be happy to assist you.