Complex sentence: In 2004, NIIT was restructured into two groups one is NIIT Limited, which focuses on the training and education in IT segment, and another which is known as NIIT Technologies concentrates on IT Services company.
Split into simpler sentences: In 2004, NIIT was restructured into two groups. One is NIIT Limited, which focuses on the training and education in IT segment, and another which is known as NIIT Technologies concentrates on IT Services company.