what should be the percentage in class xii to get in mechanical engeering and which are the subject what should be the percentage

Dear Abhijay Jha To take admission in Btech PCM is mandatory. Min 50 % marks required but better that you should focus on above 80 % so that after completing your Btech your chances for a better job increases. And to take admission you should appear for couple of entrance exams as well. First one is

minimum 50 for state colleges, 65% for BITS and IITs and other top instititutes Marks in Physics, Chemistry and Mathematics and score in cET/ AIEEE is only considered