Data is type of study which deals with the collection, analysis and processing of data

data science include business analytics,calculus, artificial intelligence.

Eligibility:

candidate have to pass their 12th from science stream from recognised board

Candidate must be above 17years age

candidate have to pass entrance of their respective college to get admission.

As per your query there is no specific entrance exam for data science.top colleges take their own entrance exam for admission e.g.

1. SSU - CET

2.  AMET - CET

.      3.KR MANGALAM

some colleges also give admission as per merit based so do well in 12th boards.

I hope this helps you