greetings,
i would suggest you to drop the idea of studying science and do courses which are not so tough like BJMC, english honours, BA programme etc.
taking up these options is easier to studya and thus scoring.
you will get a private college in these marks. so don't expect admission in a top college.
other options are doing a diploma in your field of interest or a vocational course from a polytechnic college.
hope this helps.
good luck
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