This paper surveys the matters of method of projects' implementation in teaching the English language professionally focused interaction to bachelors and masters studying at the Institute of Law, Peoples' Friendship University of Russia. This thesis' originality and importance is based on the need for personal achievements of non-linguistic Universities' multinational students with different levels of language competence learning the English language in interdisciplinary context. The collected material throughout teaching activities is the base of this article. The main objective of this research is to identify the effectiveness of the applied method of projects and technologies of teaching English to the students studying in a multicultural environment (CIS, Afghanistan, Colombia, Cyprus, Equatorial Guinea, Mongolia, Syria, Vietnam). To achieve this, a descriptive analysis is proposed as a means of presenting key concepts. The methodological bases of the research are the main general scientific methods such as analysis, synthesis, systematization of research material. The theoretical basis is the international researchers' scientific publications and conceptual provisions in theory and methodology of teaching foreign languages and vocational training, intercultural interaction, linguistics, methods of modern educational technologies usage in the learning process, content and language integrated learning, and English for special purposes. Bachelors and masters' personal achievements and interdisciplinary awareness were deepened. This research-paper's results highlight method of projects' efficiency and significance in developing students' professional competences and competency in making reports, exchanging opinions, participating in debates and professional argumentation convincingly. The presented issues of teaching professionally focused English-language interaction, translation and mediation to multinational bachelors and masters can be applicable and useful to various researchers and educators.