UCEED

You can get admission at LPU for the interior designing course, the eligibility criteria (qualifying exam) is pass with 50% aggregate marks in 10+2 (with English) or equivalent, subject to valid score in LPUNEST or UCEED.
For more information, you can directly visit the website:
https://www.lpu.in/programmes/b-sc-in-design-interior-and-furniture

Of course, you will get job after completing your designing degree. You will be placed in various industries like production, garment manufacturing, ceramics, jewellery and lot more. Big MNCs and establishments like Amazon, Myntra, Reebok, Automobiles hires deginers. Designers have a lucrative lifestyle due to their high profile standards. Main thing is that for getting a lucrative job and lifestyle you need to study in a high profile design institute like NID, NIFT, IIT.

Hi,
Well, UCEED is conducted to shortlist candidates for the admissions. If one is unable to give the exam, then there is no chance of admission as the candidate's name will automatically be off the roll among the participants.

There are very fewer chances for you to get admission in IITs.

You can go with any of the laptop as designing courses have require a software which require RAM, so any laptop which has sufficient RAM, working on Windows 10 and good HDD space would be sufficient. Regarding the brands and more information you have to check it according to your price and then buy.

You need to not produce marks sheet, you can just mention that you are appearing for 12th exams this year. The options are already mentioned in the online forms you need not worry just fill the application form when it's out.