As a Speaker at initial stage they need to submit their research work abstract as 300 words and add their biography within 150words in a word document. All abstracts must be written exclusively in English (including the title, abstract text, author names and affiliations).  And once their abstract was accept by our scientific committee they get a letter of acceptance and next they register our conference to book their slots as early. Once registration was complete they get a payment receipt and official letter of invitation for enter the conference.