Hi Prakash,

Aeronautical engineering is one of the most advanced courses at NUS. The entry requirements are quite competitive. The Mechanical engineering department at NUS offers B. Eng (ME) program in Aeronautical Engineering. 

You can get more information on the specialization from http://me.nus.edu.sg/prospective-students/specialisations/aeronautical-engineering/

Also this link will help you in the application process. https://www.eng.nus.edu.sg/apply/