HELLO SAI
Congratulations for your result and you have a very good chance of qualifying JEE mains.
It is difficult to predict the exact rank sinc eit dpendsa on variopus factors. BUt your expected rank for you present percentile comes out to be 78210. The expected rank might change depedning on the no of candidates appearing the april session.
Since official cutoffs by the colleges are yet to be decided so let us analyse your chances by looking into the previous year cutoffs .

Punjab Engineering College, Chandigarh
2019;

Quota    Branch name    Open    Close

4-Year B.E./B.Tech. Course

HS    Aerospace Engineering    14665    31620

HS    Civil Engineering    21181    40237

HS    Computer Science and Engineering    3359    11402

HS    Electrical Engineering    17194    28074

HS    Electronics and Communication Engineering    11623    18355

HS    Materials and Metallurgical Engineering    31861    53450

HS    Mechanical Engineering    14922    30804

HS    Production and Industrial Engineering    28812    48515

OS    Aerospace Engineering    2936    12187

OS    Civil Engineering    13882    27254

OS    Computer Science and Engineering    3282    7074

OS    Electrical Engineering    12781    17622

OS    Electronics and Communication Engineering    7132    12627

OS    Materials and Metallurgical Engineering    22511    32666

OS    Mechanical Engineering    8528    19194

OS    Production and Industrial Engineering    21308    28755

As you can see it would be difficult for you to grab this college with the present percentile but do not worry as at all since you have an april attempt left and more importantly jee advanced which you still have a chance to get into IITs.

Now if you are curious which college you might get into with the present percentile then use college predictor for the following features;

JEE Main 2020 College Predictor

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BEST OF LUCK FOR APRIL AND ADVANCE!!