JEE Main

Hello Lalu,
For SC category, this is not a bad score. But I am not sure that you can get a good college with this score. So, you may try in the counselling round.
All the best.

Hello Sourabh,
As you belong to general category, it is difficult to get a good college with just 74 marks. So, you may try to get admission via any other entrance exams or your board exam marks.
All the best!

Hello, I think you may get admission but first check through Shiksha JEE College predictor tool. Link: https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

You might get NIT - Srinagar, Patna but you should focus on advance.

The official answer will be soon going to upload by the CBSE. Then only you will clear your doubt regarding your query. But however you can check it on NET of different coaching institute provided their own answer key
But, I suggest you to go according to the official key only. The answer key will release in the upcoming weeks only.

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

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 mentioned below:
Admission is based on the marks obtained in class 10th, 12th, JEE Mains and personal interview.
Selection criteria and weightage:
Class 10th - 5%
Class 12th - 60%
JEE Mains - 15%
Personal Interview - 20%
Regards.

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.

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

Brother, 70 is just passing marks, you will get good college.