Even for HNI category, application size between 2 lakhs to 10 lakhs, the allotment will now be based on draw if lots. Can check more details here: IPOs: Changes in HNI Allotment [Non-Institutional Investor (NII) category]
You can only make one application, either as retail investor, up to 2 lakhs or as an HNI over 2 lakhs.