CBSE 12th

Yes, you can get jobs in MNCs after completing a degree course in B.Com as mentioned below. Job opportunities and scope after B.Com:
B.Com graduates are eligible to apply for a number of government as well as private sector jobs. The discipline in which one specializes also determines the type of job that one could land after graduation. The better the area of specialisation, the better the salary and career prospects will be. Managerial, accountancy and auditing are some of the common job posts that B.Com graduates may land in private firms. Graduates will also be able to find clerical jobs in MNCs, Financial Institutions and other organizations. Also, after going for further studies such as MBA, law, etc. , students may build a rewarding career in those fields too. Regards.

You should be eligible to apply to most colleges, especially since admission to most B.Arch courses is via entrance exams conducted across the country. You can check for eligibility to pursue a B.Arch from the criteria mentioned below. Bachelor of Architecture: Eligibility:
The duration of the course is 5 years and to get admission into B.Arch. The student must fulfill the following conditions:
10+2 or equivalent with minimum 50% marks along with the compulsory subject of mathematics.
10th + 3 years Diploma in any stream from a recognized university/ board/ institution. Cleared NATA (National Aptitude Test in Architecture) with the 80% marks conducted by Council of Architecture. Admission process for B.Arch:
You can get admission in B.Arch. By appearing in NATA entrance exam which is conducted by Council of Architecture every year and qualifying examination from a recognized university or board. There are various colleges which are taking admission of students through this entrance exam. After this process, you get shortlisted in merit list of NATA test will be called for counseling process and on the basis of skills and availability of seats suitable candidate will get admission. Regards.