Hello!Satwik Rastogi

Seeing your score and previous year cuttoff of NCHM,you seems to have very less chance of getting IHM Delhi pusa,For this you need rank under280.You can get IHM LUCKNOW,IHM SHIMLA,IHM BHOPAL,IHM HAJIPUR etc.To know previous year cuttoff of various IHM colleges visit below mention link:

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=2ahUKEwiD_Iur46LiAhUziOYKHdO_BoEQFjAAegQIAhAB&usg=AOvVaw2MH5TbFgLJzAvPJZWHnUEp&ampcf=1.

GOOD LUCK!