Dear, wasting time is not good for human ,if u wasted 11th standard ,don’t worry, u have two more year to crack NEET 2023,u have sufficient time to crack NEET 2023 with 600+ marks.
do more study with time ,make your own time table for study,
first u should go through basic 11th standard chapters and then u may complete 12th and whole course for NEET.
Be motivated, u will absolutely crack NEET 2023 with good ,marks
best wishes for you!!