Profile Advice (MSDS) to reapply: 2 Admits 6 Rejects

I wanted profile Advice on what is missing in my profile. I am an international applicant with 2 years of experience as a Data Scientist in a MNC. My BTech is in Mechanical engineering form a tier 1 college in India.

Profile:
GPA: 3.65
GRE: 324(Q:167, V157)(GRE at home if it affects anything)
TOFFEL: 115
Internship: 2 not related to data science
Publications: 0 publication
BTech: Mechanical engineering (some Ds electives)
Work experience: 2 years as a data scientist

Admits:
USC : Applied data science
NCSU: Computer science (data science)

Rejects:
TAMU: MSDS
COLUMBIA: MSDS
GTECH: Masters in Analytics
UMICH: MSDS
Northeastern: MSDS
USC: MSCS(data science)


I need some help in my profile evaluation and advice on how to improve my profile. I want to apply again next year and I am not sure what I can improve on. I know one issue in my profile was a few low grades in Maths during college for Calculus. I don't have a formal education in Probably, Linear Algebra, DSA which a lot of these colleges specificly requested grades in. I have taken coursera courses in all these.

Looking for advice on what to improve in my profile.
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#guidence