Admission to a government institution in India for architecture depends on various factors such as the number of applicants, the competition level, and the cutoff marks set by the institutions. It is challenging to predict the acceptance possibility with just the scores you have mentioned. However, you can check the cutoff marks and the admission process of the particular institutions you are interested in and evaluate your chances accordingly.
Regarding employment opportunities for architects abroad, there are many options available in various countries. However, the demand and requirements may differ from country to country. You will need to research and understand the job market in the countries you are interested in working in and evaluate whether your qualifications and experience align with the local requirements. Obtaining a license to practice architecture in a foreign country may also be necessary. It would be best to consult with a career counselor or a professional organization for guidance on pursuing an architecture career abroad.