Hey.
The cut off for most of the government medical colleges in Haryana for admission under the State quota for the BCA category was score of 494+ marks at least and above. Considering this you seem to have a chance of admission in a government college if you score in a range of 497-512. Cut off is expected to be higher this year as the paper was easier.
You still have chances for admission. You can use the link below for previous year trends.

https://medicine.careers360.com/articles/neet-cutoff-haryana/amp

National Eligibility cum Entrance Test

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