Hey Tannistha.

See ur rank is not so good in the mains paper 2 to bag u a seat in the good colleges like NITs to pursue ur higher studies in the field of ur interest under barch courses. U should be going for other 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