There are many branches in B. Tech which are as follows :-

• Mechanical engineering 
• Computer engineering 
• Civil engineering 
• Chemical engineering 
• Electronics 
• Aeronautical engineering 
• Aerospace engineering 
• Agriculture engineering 
• Automobile engineering 
• Bio Chemical engineering 
• Bio medical engineering 
• Bioinformatics
• Electrical and electronics engineering 
• Electronics and communication engineering 
• Environmental engineering 
• Energy technology 
• Fire and safety engineering 
• Metallurgical engineering 
• Mining engineering 
• Software engineering 
• Textile engineering
• Transportation engineering 
• Paint technology
• Ocean technology 

There are many more. 

If you still have any queries feel free to ask in the comment section down below. 

Hi there.

Please find the answer to your query by reading the articles attached below by links. If you read these articles once you will have all knowledge and idea regarding engineering course in India.

https://engineering.careers360.com/tags/btech

https://engineering.careers360.com/colleges/ranking

https://engineering.careers360.com/exams

https://www.careers360.com/btech-companion

https://www.careers360.com/list-of-engineering-courses-offering-be-btech-degree-in-india

https://engineering.careers360.com/articles/future-scope-of-engineering-career

Good luck.

There are many courses in BTech some of them are termed as core branches because they are the backbone of many industries and many specialisations have root lines on them the core branches includes mechanical engineering civil engineering electrical engineerin Computer Science and Engineering Chemical Engineering after that next comes some research oriented and specialised branch such as automobile engineering, biological science and bioengineering ,metallurgical and materials engineering, mining engineering ,agricultural engineering, food processing engineering, fire engineering, textile engineering ,ceramics engineering and many more