Hello aspirate 

For Getting IHM Pusa your max. rank should be under 3500 for the last round for SC category student. It's very difficult for you to get IHM pusa with your ranking. 

Use NCHM jee college predictor tool to know the colleges you can expect with your rank 

https://hospitality.careers360.com/nchm-jee-college-predictor?icn=NCHM_JEE_clgpd&ici=NCHM_JEE_article_view_sticky

To know NCHM jee cut off 2019 use the link below 

https://www.google.com/amp/s/hospitality.careers360.com/articles/nchm-jee-cutoff/amp

Good luck