I have completed my mains paper 2 (both session) and got 98.11 percentile, where to seek next and what to do..?
As per your percentile and previous year cutoff, the colleges you get in b.arch are:-
Gateway college of architecture and design,Sonepat
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-college-predictor
If your rank is in between 1000-3000 then you will get NIT .