Degree

Do not run for packages. Develop skills that will lead companies to hire you at any cost.

Yes, you can start preparing for CAT either you can start self-study and go through CAT syllabus once. If you think some topics are tough than coaching is best option. Else prepare yourself and join a good test series to evaluate your performance. Major topics in CAT are –
Quant-
Number System
Arithematic
Algebra
Geometry
Permutation & Combination/Probability:
Miscellaneous Topics: Set Theory, Trigonometry, and Logarithms
DI/LR-
Data Sufficiency
Bar Graph
Tables
Case-lets
Pi-charts
Verbal and Reading Comprehension-
Fact Inference Judgment
Fill in the blanks
Grammar
Para Completion
Para Jumble
Sentence Correction
Verbal Reasoning
Word Usage

If you are capable of handling both at a time then go for them. No one knows your potential other than you, so first decide because CAT preparation requires minimum 4/5 hours per day initially.

The best degree course that will help you to grab up a job can be engineering from a reputed institute like an IIT or NIT.

Hi Vartika!
The institute has not disclosed its fee information explicitly. I would suggest you to connect with the college directly for a well-detailed information.
About degree, CAD in fashion designing is a certificate course. Hence you will get a certificate after completion of the course and not degree.

You can apply in NIFT for PG course in fashion designing, the form will out in Nov -Dec and exam will held in Jan-Feb.