as i got 3150 category rank in jee main paper 2 whether i can get any institutes
As per your rank and previous year cutoff, the colleges you get in b.arch are:-
Deenbandhu college of architecture
Ganga institute of architecture and town planning,Delhi
IIT Kharagpur
IIT Roorkee
With assumption that you get a similar rank in JEE Advanced 2019.
To know more about your chances of getting other colleges check out the college predictor link below:
https://engineering.careers360.com/jee-main-architecture-college-predictor