Dear Aspirant !
Chhattisgarh Professional Examination Board (CPEB) will release the cutoff of CG PET 2020 after each round of seat allotment. Separate cut-offs will be released for JEE Mains & CG PET qualified students. CG PET 2020 is postponed till now and the next date has not been announced till date.
Last year, their were 7 rounds for seat allotment. You can check out the Cut-offs for different colleges offering agricultural engineering for previous years of CG PET at the below provided link. This can provide with you a rough score for this year too.
I hope this provided information would be beneficial for you.