Your scorings in both Chemistry and Biology appear to be low and a little improvement is required in respect of your scorings. Just to make your resume attractive, you can take up either the course of Chemistry or Botany/Zoology depending upon your interest. You need to secure minimum aggregate of 75 percent marks and also clearance of IELTS would be required. You will have to choose the country where you would like to receive education. You can opt for Canada, Germany, UK, Russia etc for your ultimate destination.
Choosing any one of the above mentioned countries, you should contact the Indian - embassy located in the country, you desire to move in order to get complete information regarding the fee- structure, course- content, staying - facilities etc. With all such informations, you have to apply for Passport and Visa.
Ensure that the course - expense within your reach or otherwise you have to get loan sanctioned from any leading Bank so that you may continue your studies smoothly.
After completion of your degree, you may contact the foreign embassy for the further query of job - prospects in the country you persued your course. Naukari.com or Times of India.com are the best plateforms enabling you to trace out the appropriate jobs.