Colleges in Rajasthan

It depends on the syllabus of different Universities. Although 3 years degree course in 6 semesters.

It is better to secure your seat in SRM.

No, there is no such provision at BITS.

NMIMS is the best college.

Admission is through counselling based on the score obtained in Common Entrance Test (CUCET). Eligible candidates need to appear for Central Universities Common Entrance Test (CUCET). Please refer to the link provided below for eligibility and other details to pursue this course from Central University of Rajasthan.
https://www.shiksha.com/teaching-education/course/integrated-m-sc-b-ed-in-physics-central-univeristy-of-rajasthan-ajmer-268877

Yes, you are eligible. First of all you have to clear BETET for Bihar and JTET for Jharkhand to apply for the vacancies in certain government schools.

Yes, the minimum placements start at 12 LPA for students of all or any specialization for the program of PGDM with SAP. The placements usually happen at least 6-7 months before the completion of the course.
Human Resource Management is one of the sought out branches by the students with companies like Jaro, Hilton, Royal Orchid, Asian Paints, TDI and the likes offering internships and placements.
Even SAP is available in the module called the human capital management, thus, HR students have great opportunities.

For top colleges, you need above 120.