If I get very less marks in jee main, can I get admission in Gujarat best colleges with gujcate? Are u tell me, which college?

Yes, if you are not getting good college through JEE Main you can take admission through GUJCET.

You can check the list of top colleges through GUJCET below

Government Maharaja Sayajirao University of Baroda, Vadodara

LD College of Engineering, Ahmedabad

Dharmsinh Desai University, Nadiad

Private
Nirma University, Ahmedabad

Pandit Deendayal Petroleum University, Gandhinagar

Charotar University of Science and Technology, Petlad

To check the complete list you can refer below link

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-India?f[0]=sm_college_course_level%3AUG&f[1]=sm_college_degree%3AB.E%20/Btech&f[2]=sm_quali_exam%3AGUJCET

You should also appear for BITSAT, VITEEE, SRM, Manipal and COMEDK to have good options in your hand to get good college which offer good placements.

Good Luck!!