Is joining ISERC is worth to become a scientist?
Yes, it is worthy, ISERC is one of the renowned institutions of India which offers best degree programs for different Courses. However to be a scientist you should have interest in academics and pursue 10+2 with Physics, Chemistry, Mathematics, Biology. Then you have to achieve good marks to enroll yourself for Master's and your higher studies will lead you to your dreams.
All the best!!