Hello aspirant,
Mechanical engineering is an evergreen branch.
This field of engineering is the broadest of all engineering fields, job prospects on offer for skilled engineer are plenty and unending. They can find employment in both government as well as private sector. Mechanical engineers are required to design, test, manufacture, install, operate and maintain a wide array of machines and mechanical systems that are used in industries. There is a great scope of job avenues for mechanical engineers in India.
Aerospace industry.
Chemical industry
Construction industry
Defense industry
Electronics industry
Material and metal industry.


Masters in solar energy
There are alot of jobs in solar sector and companies.
In areas like wind and biomass, UPES, energy engineer, technical product management, lectuter/professor, solar thermal jobs, system engineers.


All the best.