If I scored 133 in Cat 2018 previous paper and 120 in Cat 2017, What can i expect in 2019?

Those are good scores and you should target 99+ in CAT 2019 based on those scores. But remember that to do well in CAT, it is important to maintain your composure and make the best use of the remaining 10 days. All the best

May i know what were the marks you were getting in cracku first 6-8 mocks??