Hii!
Yes, aeronautical engineering is indeed a good field to make career in. In India, this field is emerging and advancing at a good pace. Once you complete your degree in aeronautical engineering you can apply for jobs such as aerospace engineer, Defence services, civil aviation, airlines etc.,
The starting salary usually ranges form INR 3-5 lakhs per annum and increases based on your experience and qualifications.
Hope this helps.
Good luck!