Hello student,

Congratulations on clearing JEE Advanced!!

Based on your rank in Open category, you will be able to get admission in the following major IITs 

• IIT Madras
• IIT Guwahati
• IIT Delhi
• IIT Hyderabad
• IIT Kanpur
• IIT Kharagpur ( Many of the branches)
• IIT Roorkee (all branches except Mechanical, electronics & CSE)

For more info- https://engineering.careers360.com/articles/jee-advanced-cutoff

As all these are premium IITs they will provide good placements. But the placements differ Branch wise. So you can visit official websites of each of these IITs to check placements and then decide which IIT and its branch to go for.

All the best