BS in Data Science at IIT Madras is a 4-year and students having this degree can apply for the GATE exam. According to the new eligibility criteria as mentioned in the GATE 2024 brochure, candidates who are studying the final year or have completed any UG program in any discipline namely Engineering, Commerce, Arts, Agriculture or Science can appear for the GATE 2024. Hence, the answer is yes that candidates can be eligible for the GATE after completing a BS in Data Science from IIT Madras. To be eligible for the GATE 2024, one needs to have a degree approved by AICTE, UGC. The eligible candidates will have to register for the GATE through its official website by filling out the application form and uploading the required documents.