I can help you with the rank as there is nothing out for 2018 cut off but in previous year the closing rank for General category for HS quota was 1302 so if you are preparing for this year then it is advisable to get rank under 1320 as this should be the safest rank to get seat there.

To know more about the same in detail, you can go through the below link-

https://engineering.careers360.com/articles/jee-main-paper-2-result

Good Luck!!!