As per JEE Main Paper II 2018 cutoff, The opening rank was around 251 & closing rank was 627 of SPA Vijaywada as OBC Category. To provide you the exact information about 2019 would be difficult as JEE Main is being conducted twice by NTA for the first time and rank will be based on NTA percentile which will be decleared in the month of April. You can refer the below given link to check the previous year cutoff for other colleges.

https://engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning

Good Luck!