Либо комбинация опыта с образованием из расчета 3 года опыта за 1 год учебы.
(5) A determination by the Service that the equivalent of the degree required by the specialty occupation has been acquired through a combination of education, specialized training, and/or work experience in areas related to the specialty and that the alien has achieved recognition of expertise in the specialty occupation as a result of such training and experience. For purposes of determining equivalency to a baccalaureate degree in the specialty, three years of specialized training and/or work experience must be demonstrated for each year of college-level training the alien lacks. For equivalence to an advanced (or Masters) degree, the alien must have a baccalaureate degree followed by at least five years of experience in the specialty. If required by a specialty, the alien must hold a Doctorate degree or its foreign equivalent. It must be clearly demonstrated that the alien’s training and/or work experience included the theoretical and practical application of specialized knowledge required by the specialty occupation; that the alien’s experience was gained while working with peers, supervisors, or subordinates who have a degree or its equivalent in the specialty occupation; and that the alien has recognition of expertise in the specialty evidenced by at least one type of documentation such as…
И почему вдруг “3 года по специальности в дипломе”? Требование проще - образование должно соответствовать американскому эквиваленту bachelor’s or higher degree по рассматриваемой специальности. В Индии прокатывает и три года часто, а у вас нужно будет минимум четыре если считать учебу без опыта.