Hello Pallam

IISERs are a group of esteemed research institutes maintained by the Government of India. The students who are a part of 3 year BS or 5 year BS-MS programs receive internship offers from universities and research organizations nationally and globally. Following this,  student can either get engaged in a PhD program or continue working as a scientist or even get into teaching as a professor. There are a lot of career options after BS-MS with a great deal of versatility. Please check the following link https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.onmanorama.com/career-and-campus/top-news/2019/06/26/iiser-bangalore-integrated-graduates-find-research-call-abroad.html&ved=2ahUKEwi8g8eMo8n0AhXDzTgGHc-fA7sQFnoECAQQBQ&usg=AOvVaw3kIyoQmhhz8tkeaXlupCGZ Hope that helped. All the best!