SMEAT

Based on the prediction:
Indian Institute of Information Technology (IIIT) Dharwad
CSE in round 7.
Kindly follow:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

JEE-Main Rank 24327, AIR, SC
Kindly follow:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Based on the rank:
National Institute of Technology Karnataka, Surathkal
ECE in round 1
ME in round 1
Civil in round 1
Chemical in round 1
Metallurgy in round 1
Mining in round 1
Indian Institute of Information Technology (IIIT) Dharwad:
CSE in round 1
ECE in round 1
Indian Institute of Technology Dharwad:
Mechanical in round 1
Electrical in round 1
CSE in round 1
Please follow:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

It's not possible for you to get admission in any of the NITs with this rank. I suggest you to go with college predictor tool to know in which colleges you are eligible to get admission.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

Yes, you may get a seat in Reva University.

Based on the prediction:
Indian Institute of Information Technology(IIIT) Dharwad
CSE in round 7
ECE in round 7
Please follow:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

In which college he get an admission, you can check it by clicking here:-
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

There are chances for you to get admission as the admission process in 12th - 70% and JEE Mains - 30%. Since you have not appeared for JEE Mains, there are quite less chances for you to get admission in CSE, IT or ECE branches.

JEE Mains college predictor is an online tool which predicts the probable colleges based on the difficulty level of the examination, average marks scored in JEE Mains and seats available in IITs, NITs, GFTIs, and other SFTIs. The rank predicted might not be accurate but it certainly does give an idea to the aspirant. Know your college admission chances based on your JEE Mains rank, home state, caste, gender, etc., here:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor