I got 70 marks in comedek exam what I can found machenical, electronic communications branch
According your score your expected rank will be more than around between 22,000 to 25,000. You can check your best possibilities to get admission with COMED K College Predictor tool.
https://engineering.careers360.com/comedk-college-predictor
You can also check previous year cutoff with the given below link.
https://engineering.careers360.com/articles/comedk-uget-cutoff
Good Luck!