The salary of diploma holder candidate is depends on the skills and the job profile of the candidate. The average salary of Diploma holder Aerospace Engineer is 4-5 lakhs per annum. A diploma in Aerospace Engineering salary is a handsomely paid job option in India and out of India. The diploma in Aerospace engineering 3-year diploma program approved by the AlCTE (All India Council for Technical Education). Diploma in Aerospace Engineering is a diploma level certificate course in which the candidates get knowledge about designing, manufacturing, service, and testing of spacecraft and aircraft.