Dear Student,

The Top exams in which a student can appear after class 12 from Science stream to gate admission in Engineering B.tech are as follows :

• JEE MAIN - conducted by NTA
• JEE ADVANCED- IITs
• BITSAT- Birla Institute of Technology and Science
• VITEEE- for Vellore Institute of Technology
• SRMJEE- Conducted by SRM Institute of Engineering and Technology

Some well-known state entrance exams are :

• WBJEE
• AP EAMCET
• KCET
• COMEDK UGET
• MHT CET etc.

You can get more about this exam details from here :

https://engineering.careers360.com/exams

Hope this helps!