According to official data from the institute listing on AMECET the total fees for a Diploma in Aerospace Engineering course in India generally lies between INR 2 to 4 lakhs for the full 3-year program. If broken down per year this works out to roughly around INR 60,000 to 1,20,000 per year depending on the college and facilities. Those fees cover items like admission fee semester/tuition fee book and library fees uniform or other institutional charges.
Yes there is good news if you qualify through AME CET entrance exam you may get a scholarship or discount on fees depending on your rank qualifying status. For high ranking students or certain top rank/board toppers the scholarship may cover a large portion even up to full tuition fee waiver (100 %) in many cases. This means your overall costs for Diploma in Aerospace Engineering can drop significantly if you perform well in AME CET and secure scholarship.
Scholarship or fee discounts mainly depend on entrance exam results and institute policy. So every student may not get the same discount even if they get admission. Facilities type of college (government or private), and additional costs such as hostel charges if you opt hostel are extra and may not always be covered under scholarship. Hostel fees (if availed) are separate and can be around INR25,000-40,000 per semester depending on what amenities are provided.