Hey Smruti! 

Medical deemed university means a medical institution attains the status of universitiy by ugc in area of medical sciences on recommendation of medical council of India.

Here is the cut off score for the previous yearsof neet you can refer to it below - 

Category marksrange qualifyingpercentile 

Others.       685-145.     50 percentile

Obc             678-118.     40 Percentile

Sc                595-118.     40 Percentile

St.                599-118.     40 Percentile

Wish you all the best!