A bachelor's in data science is never gonna be better even if it is from an IIT when being compared to a bachelor's in computer science.

Computer Science is a broad subject to which Data Science is a subset.

At bachelor's level you are expected to get a general overview. Specialisations are expected to be taken in masters.

As an employer's point of view, while hiring a fresher, you would not be straightforward put to a highly specific position. Most of the time you will start with software development engineer or data analyst. An employer is benefitted if you have a wider skill set than just centring on a highly specified field.

Moreover, the course structure of bachelor's of data science and bachelor's of computer science is just the same, computer science offering much more options to choose from.

In any of the degree you would require to go through the following subjects:

> Programming Fundamentals

> Computer System Architecture

> Operating System

> OOP

> Discrete Mathematics

> Computer Networks

> Data models and DBMS

In addition, Computer Science offers:

> Web Development

> Software Engineering and Project Management

> Artificial Intelligence

And Data Science includes

> Calculus

> Probability and Statistics

> Data analysis and Modelling