The zip file
https://www.incometax.gov.in/iec/foportal/sites/default/files/2023-05/ITR%202_AY%202023-24_V1.0.zip
when unzipped contains the Excel document
ITR 2_AY 2023-24_V1.0.xlsm
that was prepared and made available by Indian Government Income Tax department.
I have version 7.5.3 of LibreOffice and get this error
load_error.pdf (79.1 KB)
when opening the .xlsm file.