Engineering

You can give exams like GATE UPSC, state UPSC, railway, bank po, etc.

Indian Institute of Technology, Roorkee
Lovely Professional University, Phagwara, Punjab
Bengal Engineering College, Sibpur University, Kolkata (West Bengal)
Visvesvaraya National Institute of Technology, (Deemed University), Nagpur (Maharashtra)
School of Planning & Architecture, New Delhi
Jawaharlal Nehru Architecture and Fine Arts university. (JNAFAU) under Jawaharlal Nehru Technology University, Hyderabad (A. P) Mysore University.

Yes, you can. However, for Final Selection for M.Arch from Sir J.J College of Architecture, Candidates are selected based on marks obtained in Maharashtra Architecture Common Entrance Test (MAH-M.ARCH.-CET) and performance in group discussion and personal interview. Eligible candidates need to appear for the Maharashtra Architecture Common Entrance Test (MAH-M.ARCH.-CET).

If you wish to do that then you can prepare simultaneously with full concentration. As the college life is full of new things, new environment, society, friend circle keep in touch with that being social is not wrong but you must keep this in mind that you are preparing for tough exam so be focused and prepare hard. Try to avoid the things which divert your mind and goal.

It should be according to the form you filled. If you filled english medium, you have to give exam in english medium. You can't write in both medium.

Yes, you can apply for GUJCET exam.

Go through this link and get full info regarding your query.
Link : https://www.shiksha.com/b-tech/course/b-e-lateral-entry-terna-engineering-college-tec-navi-mumbai-251039

Different colleges follow different books. Go to your college official website and download the whole syllabus and content of your branch. In that list, usually name of faculty and books are mentioned.

Yes, you can apply for the exam.

Only if you have studied your 11th and 12th from Tamil Nadu.