Intellipaat offers an excellent Data Science Certification from IIT through Intellipaat that you could enroll in and master the concepts from scratch to advance to better opportunities. There are hundreds of testimonials to the quality of the course from learners and even recruiting managers from top companies. One such company is Genex, whose HR has appreciated the quality of training that each professional undergoes through Intellipaat. I have dropped the video below. You can watch it over there.
Apart from quality courses, Intellipaat offers great mentors who are subject-matter experts to teach you the concepts. All courses come with a Lifetime Free upgrade, 24*7 technical support, 1:1 doubt clearing session, etc.
See this Python Data Science Course for more information :