CA

Top Colleges Offering B.Com with CA in India
Sri Venkateswara College, New Delhi
Madras Christian College, Chennai
Nizam College, Hyderabad
Shri Ram College of Commerce, New Delhi.

Please check this link
https://www.shiksha.com/college/navkar-institute-memnagar-ahmedabad-28281

After B.Com, the best courses could be M.A. CA etc. Since you asked apart from these, than let me suggest you best course would be, LL.B. Journalism and Mass communication4. Certified Management Accountant (CMA)Financial Risk Manager (FRM), Master of Design M.Des and M.Sc. Certificate in Investment Banking (CIB), M.A. (Psychology) etc. The best of colleges/universities like, JMI, DU, PU, BHU, Symbiosis, LPU and Osmania University, etc. Do check your eligibility and application deadlines from their websites.

https://www.shiksha.com/college/department-of-management-sciences-pune-university-pumba-ganeshkhind-30895
You will find all the true and authentic information about your college here.

All are different.

Check the fee structure from this link
https://www.shiksha.com/college/academy-of-commerce-noida-37839

You can refer to the link given below-
https://www.shiksha.com/college/isb-m-college-of-commerce-nande-pune-28478/placement

You have to clear CA exam. After that you can become a CA.

No, it doesn't. Your result will only depend upon your preparation for your exams.

No you can't do it because in CA you must having commerce background that means 11th and 12th are in commerce.