This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.

The difference is,

The central government shares its power with different constituent units of the country in the federal form of government. For example, the power is divided between the State governments and the government at the Centre in India.

In the unitary form of government, all the power is handled by the only one government. For example, in Sri Lanka, the national government has all the powers.