Hello Vasu, 

Tou can get admission in Thapar University with your 12th standard score.

Thapar university provides admission in two ways. 70% seats are reserved for students coming from the score of jee mains and 30% seats are kept for those students who either not cleared Jee Mains or didn't participate in it on the basis of their class 12th score.

Since your score is really good, you have great chances for admission in Thapar University even if you are not from Punjab.