Career

No, it will not. There might be chances that you have to struggle in the start of your career but if you take further education from good colleges and during job, if you develop good skills then no one will care about your drop.

You should go for Masters in Technology (M.Tech or ME) in designing. It will be best for you if you want to make career in automobile designing after B.Tech.

The cut-off rank in the Gokaraju Ranga Raju College is 170000 for SC candidates and 18000 for OBC candidates.

Arts is a stream about literature, creativity, about social awareness and study about past in the form of history and much more.
Its scope nowadays is mostly in the preparation of govt. exams for civil services.

Psychology is a great field to embark upon. Jobs directly related to your degree include:
1. Clinical psychologist
2. Counselling psychologist
3. Educational psychologist
4. Forensic psychologist
5. Further education teacher
6. Health psychologist
7. Occupational psychologist
8. Primary care graduate mental health worker
9. Psychological wellbeing practitioner
10. Sport and exercise psychologist

Chemical engineering is a branch that offers jobs in chemical industries as well as food industries also.

The food industry all over the globe is growing and India is no different as a nation. The trend of eating out is quite popular these days and so the food industry is trying to match this growing demand among masses.
https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/articles/top-10-colleges-offering-culinary-courses-in-india-blogId-10930

The entrance of the JNU has already taken place, so you will need to look for an option.