Hello nikhil,
In chemical engineering, you study about chemical property of various substance, production control and it's in depth insights of chemical materials in pharma sector , daily essential usable items like soap, detergents, fuels. You can also join energy sector after pursuing b.tech in chemical engineering. You can also go for ph.d. in chemical engineering.
Good Luck.

Hello,

Chemical Engineering deals with the design, development of processes and operation of machines and plants through which the physical or chemical state of materials undergo various changes. It deals with the application of physical science and life sciences with mathematics, to the process of converting raw materials or chemicals into more useful or valuable forms. Engineers in this field use math, physics, and economics to solve technical problems. They design and invent new processes.

To know more about chemical engineering branch please read the article:

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https://engineering.careers360.com/chemical-engineering-1

Thank you

Hlo!! 

Chemical engineering is a branch of engineering that uses principles of chemistry , physics ,mathematics and economics to efficiently use, produce, transform, and transport chemicals, materials and energy. A chemical engineer designs large-scale processes that convert chemicals, raw materials, living cells, microorganisms and energy into useful forms and products.

Chemical engineers are involved in many aspects of plant design and operation, including safety and hazard assessments, process design and analysis,control engineering , chemical reaction engineering , construction specification and operating instructions.

Thank you.