Aerospace Engineering

Hello Kesavan,
Aerospace Engineering and Biotechnology Engineering are two different domains of engineering with ample scope and opportunities. Comparing the two is an apples vs oranges comparison. Here I enlist the scope of both the courses:
Scope of Aerospace Engineering:
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Job Roles:
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Engineer - Aerospace Conveyance Systems Integration
Engineer (Aerospace industry) - Quality
Team Leader - Aerospace CS
Engineering Manager - Filtration
Engineer - Manufacturing Engineering
Development Engineer - Industrial Engineering
Engineer - Technical Publication
Design Engineer- Reverse Engineering for Aerospace
Product sales Engineer - B.E (Mechanical, Aerospace, Aviation)
Engineer - Sensor Engineering
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Hiring Companies:
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Hindustan Aeronautics Ltd (HAL)
Indian Space Research Organisation (ISRO)
National Aeronautical Lab (NAL)
Airline companies such as Indian Airlines, Spicejet
Defense Research and Development Organisation (DRDO) etc
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Scope of Biotechnology:
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Any student who is contemplating on pursuing a career in Biotechnology must be aware that this field is still developing in India. Therefore, the number of job openings and pay packages are both very low when compared with IT and CS fields.
After a B.Tech degree, students can find jobs in pharmaceutical companies, research labs and institutions in India. However, most Indian students tend to go abroad to pursue their Masters or doctorate studies in Biotechnology and allied fields. Some students also shift to MBA and enter the world of business, finance and banking as their engineering background gives them the required quantitative skills to excel in these sectors. Also, many students shift to software through on-campus placements. Talking about on-campus placements, since the number of job openings is very less in Biotechnology, the number of companies coming for placements will be very less. Also, core companies only hire students from universities such as IITs, NITs etc. If your university is not reputed nationally or state wise, chances of any biotech or pharmaceutical company coming for placements sessions will be close to nil.