In order to be eligible for admission to MBBS/BDS Courses for a particular academic year, it shall be necessary for a candidate to obtain minimum of marks a 50th percentile (119 marks) in NEET to MBBS/BDS Courses held for the said academic year. However, in respect of candidates belonging to Scheduled Castes, Scheduled Tribes, Other Backward Classes, the minimum marks shall be at 40th percentile (96 marks). 

Other information regarding cutoffs are in the article below: 

https://medical.aglasem.com/neet-2018-cut-off/

Hope this helps! Good Luck!