If I didn't score 75% in polytechnic, can I get a seat in this college for aerospace engineering?

Indian Institute of Technology Madras comparatively budget friendly has comapred to other institute. The fee strcture for the BTech programme ranges between INR 8 lakh. The fee includes tuition fees, caution fee, security fee and others. 

Yes, you could get into DoMS IIT Madras with a CAT percentile of 85 if you belong to the General AI category. According to the estimated DoMS IIT Madras CAT cutoff 2025, the overall percentile was 85.11, and the sectional cutoff was 50.

Hence, students who have a cutoff of 85 can avail admission to

Indian Institute of Technology Chennai has many departments. Aerospace Engineering, Biotechnology, Applied Mechanics & Biomedical Engineering, Physics, Metallurgical & Materials Engineering, Mechanical Engineering, Medical Science & Technology, and others are the departments at the IIT Madras. 

Reach the official site & register for the JEE Main examination to apply for admission to IIT Madras. Give the IIT Madras Campus JEE Main exam. Students have to register for the counselling and pay the admission fee to the selected & the allotted college .

IIT Madras is the third IIT to be set up by the Government of India & is autonomous in nature. The college has a good popularity and is ranked good by the bodies like NIRF and QS. IIT Madras has been ranked 1 under the Engineering category by NIRF 2025.