Make sure you’ve completed all requirements set before trying to get admission in the college of Aeronautical Engineering in Guwahati. Most colleges would require the applicants to have completed 10+2 with PMC subjects affiliated, again with a percentage set by the college. Many of them also accept diploma holders in relevant engineering areas. Most of the colleges will take admission on the basis of merit or an entrance exam which is decided by the college's admission policy. To get accurate information about eligibility criteria, College of Aeronautical Engineering Guwahati website will have all the specified information along with the application deadlines and selection methods.
Normally, you can fill out the application form online or get it offline, attach documents like academic and ID proof, photographs and entrance exam scores if taken. Some colleges may need students to attend personal interviews or counseling. It is pertinent that in order to gain admission, all aspects of the admission guidelines are properly looked at and supporting documentation is submitted in time.