Hi

With 45 % in PCM you are definitely eligible for btech/engineering .

This is because,

Minimum % requirement in 12th is 45 % in PCM to be eligible for Btech.

For your reference,

BTECH ELIGIBILITY CRITERIA is given below,

• Qualifications required :-  To be eligible you need to pass 12th with Physics and   Mathematics as compulsory subjects along with any one of Chemistry /Biotechnology/Biology/Technical Vocational subject.

• Minimum percentage required in 12th:- In general you need at least 45 % for general category and 40 % for sc/st in 12th in physics , maths and   Chemistry / Biotechnology/Biology/Technical Vocational subject taken together  to be eligible.

For example,

To be eligible for BTech in Madan Mohan Malaviya University of Technology, Gorakhpur which is a government institution , one needs to pass 12th with Physics and Mathematics as compulsory/mandatory subjects along with one of -   Chemistry or Biotechnology or Biology with at  least aggregate of 45% marks (40% if you are from reserved categories ) in these subjects .

You can check the same by visiting our page for which link is given below :-

https://www.careers360.com/university/madan-mohan-malaviya-university-of-technology-gorakhpur/btech-computer-science-and-engineering-course

But yes,

To be eligible for top colleges like IITs, NITs, IIITs, CFTIs etc you need at least 75 % in 12th and 65 % in case if you are from sc/ st . But this year even for NITs etc, this minimum% of 75 % is not there, so you can even get admission in NITs etc

For your reference,

Jee main eligibility criteria is given below-

---------------------------) Qualification required :- to be eligible  for JEE mains you need 10+2/equivalent qualification from a recognised board.

-------------------------) Passing year :- one is eligible for JEE main examination for consecutive three years starting from the year of appearing for 12th /equivalent examination i. e to be eligible  for JEE mains 2022 you should be either appearing for 12th board exam or equivalent  in 2022 or should have passed it in 2021 or 2020

-------------------------) There is no age limit to be eligible

-------------------------) there is no minimum percentage requirement to be eligible for JEE Main for BE /Btech.

But yes,

To be eligible for BE/BTech  in NITs, IIITs, CFTIs one needs at least 75% marks in class 12th if belongs to General or OBC category  or at least 65% marks in class 12th if belongs to Sc or St category or needs to be in top 20 percentile of their board examination.

IMPORTANT NOTE :-  This minimum percentage barrier of 75 % - 65% for NITs, IIITs, CFTIs  has been lifted off for jee main 2022 . It means to be eligible all you need to be eligible is to have at least passed 12th .

For detailed information about jee main eligibility criteria  go through our page, the link for which is provided below

https://engineering.careers360.com/articles/jee-main-eligibility-criteria

Thank you