Rohan, in 2018 under State Quota, 454 marks secured a seat in KGMC, Lucknow under SC Category. Now this is 2018 data and we do not have 2019 data yet. Now cut offs change  every year depending on various factors like no.of Candidates appearing for the exam, n o.of Candidates qualified, top NEET score and difficulty of the exam. In 2019, the cut offs for individual colleges increased by 60-75 marks on an average. For 2020, you will need atleast 530 and above for a seat in KGMC.