Hello dear student, no dear student there is no provision of getting direct admission into IISC Bangalore you have to appear in CAT exam and get good marks in that. and if you come from BTech background then you must qualify GATE exam and on the basis of that also you can get admission into IISC Bangalore. while for you for the reference here I am attaching the link which you can refer and it will be helpful for you.

https://www.careers360.com/colleges/department-of-management-studies-indian-institute-of-science-bangalore/master-of-management-course

Thank you