Question

how can we say that the parliament have control over the executive​

Answer 1

Yes the legislative plans the work and executive executes it

And judiciary looks for everything is fair or not

Yaaaa

Answer 2

You say this by using your mouth.

Haahaahaha

The Executive (i.e. the political Executive the Council of Ministers) remains responsible and the administration accountable to Parliament. It is the function of Parliament to exercise political and financial control over the Executive and to ensure parliamentary surveillance of administration.