Aeronautical maintenance technicians with a diploma can expect an average salary ranging between INR 4 to 7 lakhs per year. Entry-level technicians might start closer to INR 4 lakhs, while experienced technicians in established companies can earn closer to INR 7 lakhs or more. Salaries may vary depending on the size and reputation of the employer, as well as the technician’s experience and specific skills. Maintenance roles are essential in the aerospace industry, ensuring career stability and growth opportunities.