Hello,

There is no such as age limit when it comes to applying for programs in ISI since your query is regarding undergraduate courses you need to pass 10+2 from a recognized board with mathematics and english, admission is done through entrance test conducted by the institute, b stat hons is offered in kolkata campus, and b maths hons in bengaluru campus, you can check out at https://www.isical.ac.in/~admission/Documents/IsiAdmission2020/Application-FAQs-2020.pdf for more information regarding this,