Hi Abdul

With this marks your rank would be between 323239-342377. With this rank you have less chances

The 2018 cut off for Osmania medical college was

OC - 544

BCA - 471

BCB - 538

SC - 443

ST - 457

As cut off varies, it is difficult to get seat in this college with this score

Cut off depends upon no of students appearing, qualifying, difficulty level of exam, last year's trends, available no of seats.

For more information, check this out

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

This is college prediction tool, it will give you clear assessment.

Hope this information helps

Good luck!