Data science is an associative field that uses scientific methods, processes, algorithms, and systems to extract knowledge and perceptions from unstructured and structured data. Data science uses principles of Mathematics, Statistics, Computer Science, and Information Technology to get practical perceptions from data. Data science is associated with Data Mining, Machine Learning, and Big Data. The types of online data science courses are- UG, PG, Certificate, and Diploma. The program fee varies across these types. The average total fee for UG courses is approximately 1.5 lac. The average total fee for PG courses is around 2 lac.