M.S. Ramaiah University of Applied Sciences (MSRUAS)

Yes, automotive engineering in MS Ramaiah comes under VTU.
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Admission process for BHM from M. S. Ramaiah University of Applied Sciences is mentioned below:
Admission is based on marks obtained in 10+2 examination. Interested candidates can apply online or offline with the required information.
The minimum eligibility to apply is a pass percentage of 40% in class 12 and 35% marks in case of candidates belonging to a reserved category.

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Eligibility: The candidate must have passed 10+2 examination from a recognized board.
International students eligibility: The candidates should have equivalent qualification as of Indian nationals and must be proficient in English. Candidates must have the minimum required TOEFL score.

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Admission to this course is based on marks obtained in 10+2 examination. Interested candidates can apply online or offline with the required information. The minimum eligibility to apply is that the candidate should have a passing percentage of 40% in class 12th.

The fee structure for aerospace engineering in MS Ramaiah University of Applied Sciences through CET quota is 60000 INR.

No, they do not consider PGCET score for admission. Admission is based on graduation percentage. You need to have minimum 50% marks.
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For admission in 2 years M.Sc in MS Ramaiah University of Applied Science, as tuition fee, you are to pay Rs. 50,000 per annum along with Rs.21,750 as student facility fees per annum. Before admission, you are to pay Rs 10,000 in DD as registration fees. If you succeed in the written test for admission, this Rs.10,000 will be adjusted from your 1st-year tuition fees.

Admissions for MBA are closed now. You can try next year.
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You can but the way is through management quota. In this case, you have to pay higher than others to get a seat. I will suggest you give KCET and JEE Mains and score well in them. If you have not given these exams, only then go for management quota to take admission.

https://www.shiksha.com/university/m-s-ramaiah-university-of-applied-sciences-msruas-bangalore-47146/admission?streamId=13&courseId=303327
you can visit this website for further details. I hope it will answer all your questions and clear all your doubts.