IIM's are the top Business schools in India. This institutes provides premium level education in Management. As this institutes are the top one, it attracts top companies to recruit its students. So yeah! Going for IIM is really worth it both academically & placement wise.

For an article on the IIM Placements 2022, consider the link below:

https://bschool.careers360.com/articles/iim-placements#:~:text=As%20per%20the%20past%20year,securing%20100%20percent%20campus%20placement.

I hope this helps. Wish you a great eve!