B.Sc

The total fee structure at Jodhpur National University for B.Sc. (Physics, Chemistry, Mathematics) is Rs 78,000.
Kindly visit the link given below:
https://www.shiksha.com/university/jodhpur-national-university-38089/course-b-sc-physics-chemistry-mathematics-232579
Bachelor of Science in the subjects combination of Physics, Chemistry and Mathematics is three years (6 Semester) full-time undergraduate program in Faculty of Applied Science offered by Jodhpur National University, Jodhpur.
Eligibility Criteria
A person, who have passed Higher Secondary/Intermediate (10+2) with PCM/PCB stream or any other examination recognized as equivalent thereto, shall be eligible for the course.

No, you can not get admission without entrance exam. Doon University offers admission to UG courses with various specializations. All the UG courses are for a duration of 3 years. Integrated courses last for 5 years. Candidates who have secured at least 50% marks from a recognised board of examination in 10+2 examination are eligible to apply. SC/ST category candidates will be given a marks relaxation of 5% in the eligibility criteria. Candidates will have to appear for Doon University Entrance examination. Selection is based on Merit and the marks scored by the candidate in the entrance exam. Reservation of seats is only for SC / ST / OBC / Minority classes etc. Certification and proof for all reserved classes is mandatory for application of reserved seats
Only eligible candidates as mentioned above qualify for selection. Doon University is a Public University located in Dehradun, India. It offers UG, PG, many integrated as well as Ph.D. courses. The mode of admission of all of the above courses is online, Through the admission process established by the university. Eligibility criteria for UG courses is 10+2 from a recognised Board of Secondary Education. The course duration for Integrated M.A. In Chinese/ Spanish/ French/ German Languages is 5 years.