Hey Ramesh.

See the percentile u have scored is not enough for u to grab a seat in the good colleges like NITs IIITs or GFTIs for pursuing ur higher studies in the field of ur interest under the barch course. U should be going for private Institution for ur barch career. I m providing u a link for ur help.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning/amp&ved=2ahUKEwj7mLqy05viAhUXk3AKHSXSAKAQFjAAegQIARAB&usg=AOvVaw2MH5TbFgLJzAvPJZWHnUEp&ampcf=1

Ask if any query. Good luck