Indian Institute of Technology, Delhi

Depend on your interest. If you are just thinking of college then IIT is better and if about branch then EC is better. So, you have to decide. But if I have to select I will go for IIT Delhi as there you have chance to change your branch in next Year after scoring good CGPA in first year.

You need to score more than 280 marks in order to get Aerospace in any of the IITs.

Below 1000 rank is required for admission in CSE branch in IIT-Delhi. Marks may be above 300.

You need to score more than 150 in order to get admission in any of the IITs.

Your marks should be around 300-320, means your rank should be under 150 in general category.

If you want CS in IIT Delhi then your rank should be under 200 for that you should get at least 300 marks in JEE Advance.
If you want mechanical, electrical, civil then closing rank would be around 800.
Although, there are various branches in IIT Delhi , so closing rank would around 3000-4000.

If you are a general candidate, then you should be under 200. For this, you should get at least 290-300 marks out of 372 in JEE Advance.