Hi

No you are not eligible for CAT examination .

This is because,

You have not done your graduation i. e bachelor's degree , you have done diploma in pharmacy but it is just a diploma course  and not a  graduation course

To be eligible for CAT, you must complete your graduation so if you want to be eligible for cat or any other MBA entrance examination then you must do graduation in any discipline like bsc, ba, bcom, b pharma or any other graduation course

For your reference

CAT eligibility criteria is given below:

To be eligible for CAT ,

• you need a  Bachelor's/graduation degree in any discipline from a recognised university .

• you must have got  at least 50 per cent marks or equivalent CGPA in your graduation . SC/ST/PH students need only at least 45 percentage in Bachelor’s Degree in any discipline to be eligible .

• Candidates who are in the final year of their graduation are also eligible for CAT examination.

• There is no age restriction to be  eligible

• It is not mandatory to have work experience to be eligible

For detailed information go through

https://bschool.careers360.com/exams/cat

To help you further,

Here's a brief of CAT examination pattern:-

You can get the complete examination pattern:-

https://bschool.careers360.com/articles/cat-exam-pattern

Thankyou