How Do I Write A Letter To The Prime Minister . The proper way to address the british prime minister in a letter is to begin by calling him or her “the honourable.”. Minister of industry and commerce. Letter from Prime Minister Mr. Benjamin Netanyahu Dr. Michael Laitman from www.michaellaitman.com Pm modi is very active on social media so it's easy to communicate with him online. Write share your hopes for a fairer, more sustainable future and ask the prime minister to meet our ‘5 steps for a better world’ too. Prime minister conversation (first address):