Is the BSc degree in IT or closely related field? For e.g. BSc Electronics or Electrical or Computer Science.
To qualify for the H-1B visa category, the prospective H-1B employee must hold a U.S. bachelor’s or higher degree, or the equivalent foreign degree. If foreign degree then the person must hold a U.S. equivalent 4 years’ bachelor’s or higher degree from an accredited college or university. If the foreign degree is 3 years’ bachelor’s degree (as in your case), a 3 years of work experience in same or similar field /occupation can be considered to one year additional education.