Certification

They don't provide SAP certification course.

Yes, Christ provides "6 Sigma Green Belt" certification for all specialization except HR. You also have SAP certification, but you will have pay an extra amount for the examination. I am not too sure about the amount. You also get an opportunity to do certification in R program at a discounted price. There are others as well.

Scope of Autocad:-
-Autocad is getting a huge advantage in the animation industry for the world.
-Autocad is a very important for an professional working in the design and drawing section of the construction industry,
- Almost all the construction drawings are done using the Autocad software, and having its knowledge is an added advantage for any construction professional.

Since you are pursuing MBA in HR, I think Harvard has certifications in same area which will definitely add value, but I am not sure whether you will have direct access to it. Moreover, I would suggest you to try for PGM certification in XLRI as it would have a lot of weightage in your resume.

Without certification, you may face challenges in getting a job. You are advised to appear for CCNA examination immediately to get benefits of certification in search of a job.

You can go for the plethora of courses in the finance field like CFA and FRM. For marketing, you can go with digital marketing, business analytics and artificial intelligence.
For more details, visit sites like Udemy, Swayam, Simplilearn.