The placement cell of IISc Bangalore works extensively and after you complete your Bsc course from IISC Bangalore you can apply for Research assistant or project assistant in various institutes.

You can initially expect a package of 20K per month.

You can check the placement report here

Also if you do not get a good placement after your degree you can plan to do internship in good institutes or related firms and later get good job profiles with attractive packages for sure.

Good luck.