hello pavan

its amazing that you are expecting to get 82%, well in case of K-CET you need to get bit well marks, favourably if get 100-120 from all the 3 subjects you can easily get bellow 10k rank as your puc marks are good enough supportive to get your expected rank

kindly try rank predictor for better hope

https://www.careers360.com/result-predictor

all the best dear!!