School of Commerce and Management, Christ University

It is just for one year.

A telephonic interview goes on pretty much like a personal interview. The interviewer will want to know about you and since they cannot see you, they will assess you based on your confidence in the way you answer them. You might get questions regarding your previous course, your subjects, your interests, general awareness, current affairs etc. They will try to see if you fit into this structure. That's about it.

Yes, you can join Christ University with MAT 2018 score in January 2019.

Eligibility is you need to have minimum 50% in graduation and you must have passed CAT, CMAT, XAT with a minimum of 70 percentile.
The fee structure is 3.7 to 4 lakhs per year.

Christ (Deemed to be University) offers dual degree program where students obtain Masters of Business Administration (MBA) with either marketing or finance specialization from Christ (Deemed to be University) or Masters of Business Administration in International Business from University of Applied Sciences, Wrzburg

Yes, Christ University accepts MAT score.

Please visit the link below to know more about your query:
https://christuniversity.in/institute-of-management/institute-of-management-mba/mba-with-western-michigan-university-usa.
Best of luck for your future endeavors.

Yes, it is mandatory to submit your original documents at the time of admission. So that they can verify all your details. After taking admission, they will be handed back to you within 6 month. Thank you.