Hey there !!

Yes, both Jee main paper 2 and NATA are conducted for offering admission in B.Arch course. You can choose among NATA which is conducted by Council of Architecture or Jee Main paper 2 which is conducted by National Testing Agency for taking admission in BArch course depending on your college preference . NITs and GFTIs accept Jee main paper 2 score whereas SPA Delhi and CEPT University Ahmedabad accept NATA score .