Dr. Ambedkar Institute Of Technology (AIT), Bangalore

Find below the link to Shiksha's best college predictor for ComedK which will help you know about various colleges and streams that you may have a chance to fit in this year:
https://www.shiksha.com/b-tech/resources/comedk-college-predictor
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The total fees for complete 4 year B.Tech from Ambedkar Institute of Technology, Bangalore is approximately INR 12 lacs perhaps.

Dr. Ambedkar Institute of Technology (Dr. AIT) is an autonomous engineering college Founded by M. H. Jayprakash Narayan in 1979. The institute is one among the 14 colleges selected for receiving the World Bank assistance under the Technical Education Quality Improvement Programme (TEQIP) through the government of India. The institute is the recipient of several grants sanctioned by AICTE, DST and VTU. It is granted autonomous status by UGC WEF 2010-11. Its a AAA means above average category college. Intake capacity of Civil Engineering is 120. Overall it's among one of the good colleges of Bangalore,. .

Yes, you will surely get a seat.

Yes campus interview are there

485 students got placed from eee,ece and cs branch in good companies

Yes there r good placements

The fees structure depends on whether u come via CET or ComedK exam

Quite well and good

You may use the college predictor for COMEDK examination, which may suggest you some colleges that you can get with your rank in COMEDK:
1) https://www.shiksha.com/b-tech/resources/comedk-college-predictor
2) https://www.shiksha.com/b-tech/resources/comedk-branch-predictor