Engineering Entrance Exam

DY Patil takes admission only on the basis of JEE Mains exam, not on the basis of advance.

AUEET asks questions from Physics, Chemistry and Maths. Books you can refer like- Mathematics by R. S. Aggarwal, Vector Algebra by S. Hand publication
Physics books - H. C. Verma and I. E. Irodov
Chemistry books - Physical Chemistry book by P. Bahadur, Organic Chemistry book by RK Gupta.

Visit the University’s website to get sample question papers.

Shortlisted candidates will be called for personal interview based on score obtained in JEE Mains and academic merit. If you havent appeared for JEE Mains you will not be applicable to get into Dayalbagh Educational Institute for B.Tech in mechanical engineering.
Final Selection for this course is m

You have got 134 marks in JEE Mains. You will easily get good college. Well, I think you might get NITs also. If you have any reservation.
All the best.

Prepare well.
There are lot of exams for entrance for examination like KIITS, WBJEE LPU-NEST and the list continues.

I do not think it will be possible to change the dates for these exams from your end. Regards.

Follow the links below:
https://www.shiksha.com/b-tech/resources/jee-main-rank-predictor
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Now a days, the craze of engineering is very low. So, you can convert at the first counselling and not wait for the second. I think you can, but chances are low.

There are less hopes of getting CSE if you are from general category. All the best!!