Question

What do we call Indian government? union,federal or central ​

Answer 1

$\huge\mathbb{Answer:-}$

$\mathbb{"CENTRAL GOVERNMENT"}$
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Because Its the supreme governing body of all the governing bodies in India .

However

India is a Union of States , 29 different states .

And

Central Govt follows federal relationships with all the State Govt's.

So a central govt of union of states of India follows a federal relationship with the respective State Govt's.

Answer 2

Since, India is made up of states by holding " states together". So, without any confusion we call it a federal state and government at the centre is called central government.