Hey Pushkar.

As per the previous year trends of closing ranks for admission in IHM, Delhi, Pusa for the general category was around 260-280. Hence you would require a secure a rank around this range only for a fair chance of admission here. You can use the link which is given below to check the previous year cut offs for all colleges under NCHM JEE.

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

Best of luck