Dear aspirant

To get 7000rank in general category for keam tou should have a mark above 400 out of 600.The 600 marks is the mixture of mark that you get in keam entrance as well as the mark you obtained for physics, chemistry and mathematics in the higher secondary. You get above 400 to get 7000 rank. You can visit the site given below to know more about the cut off in the engineering colleges

https://engineering.careers360.com/articles/keam-cutoff

All the best for your future.