SD college Chandigarh is a very reputed college that offers many undergraduate and post graduate courses. The eligibilty for after 12th courses/ undergraduate course is as follows:

Student must have passed 10+2 degree from any recognised educational board with at least 50% marks aggregate in +2.

So since you have got 84.4% in 12th  you will get admission in that college.

All you need to do is apply online via their website for admission procedure.

Thank you