Aerospace Engineering

First part of your question depends upon your hard work and professional skills. Second part of your question is that there are many job opportunities for an aerospace engineer. The Indian aerospace industry is growing rapidly and you will most likely be employed in government owned enterprises such as ISRO (Indian Space Research Organisation), DRDO (Defence Research and Development Organisation), HAL (Hindustan Aeronautics Ltd.), NAL (National Aeronautics Labs), etc. Many global airlines operators and aircraft companies are now planning to open their MRO- Maintenance, Repair and Overhaul facilities in India. A lot of prestige is associated with working in these organisations.You could also work for government and private airlines like Air India, Indian Airlines, Jet Airways, Spicejet etc. Job opportunities also exist in civil aviation departments and the Indian Air Force. You can also try organisations like NASA and foreign airlines. All the best.