CBSE 12th

Delhi University has more than 70+ colleges which offer physics honors course for graduation aspirants. For more information please visit DU's website.

Yes, you have to choose a college in your preferred location and submit the admission form. If your name comes in the counselling then you have chance of getting admission.

You can do BA in various courses such as mass communication, journalism, geography, arts, economics, and English. There are various courses. As you are a science student you can also do BA in physics, chemistry and biology.

As you have scored 78 in class 12th, so it is not possible to get admission in DU. So, go and check private universities and decide your course according to your interest.

There are some chances of getting BHU. You can try to get admission.
https://googleweblight.com/i?u=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&grqid=MGYL-eCx&s=1&hl=en-IN
Here, I am sharing college predictor link. You can go through to know about the college you can get.
Good luck.

Click on the link and watch the video till end. After watching the video follow the steps as per described in the video. At the end you could predict the list of colleges offer admission to you on your rank basis. https://youtu.be/hOlit6Un7l0.

If you not want to pursue Courses which is offered through JEE and NEET are as follows:
B.Sc in various streams. HM
NDA preparation
Mass Communication and many more.

Yes, you can, as they also take admission through the CLAT marks basis also.

Communication skills are always important. Yes, start from the vacation period of class 12th itself. Focus on free courses from Communication skills, team player skills, body language, leadership skills and interpersonal skills. Whatever you learn, have notes of it and apply it in real life and again make note of all the experiences. Such skills will surely help you along with your EEE background to land a good job. Engage yourself in internship opportunities. That kind of helps in both technical and people skills development.

The +2 level examination in the 10+2 pattern of examination of any recognised Central/State Board of Secondary Examination, such as Central Board of Secondary Education/State Board New Delhi, and Council for Indian School of Certificate Examination, New Delhi.