Hi,

Following are some stats of these Institutes:

IIT Guwahati:

• Batch:  2020-21
• Number of Students Placed : 686
• Number of Companies Participated : 140
• Highest CTC : INR 70 LPA

IIT Dhanbad :

• Highest CTC (International):  INR 46.2 LPA
• Highest CTC (domestic):  INR 10 LPA
• Average CTC:  INR 10.02 LPA

IIT Dharwad

• Students Registered:  78
• Students Placed : 54
• Placement Percentage : 69.23%

Among these three, AI & Data Science seems to better choice. IIT Guwahati has great placement records . Also AI & Data Science is among most demanding career in India and in around world. Also IIT Guwahati has good campus , research opportunities etc. Overall IIT Guwahati is best among three.

I hope this will answer your concern.

Thanks!!!!