Law

All tier 2 NLUs are open for you. You may get GNLU, RMNLU etc. All the best.

No, it is not possible with these marks.

buy them offline at any book shop. finding them online is difficult and time consuming. This way you would be able to purchase question pappaper of specific university. Also there is an option to buy them at the clat website for peevious tears of clat.

An LLM in company/corporate/business laws. See these links. Also, with your LLB you can take online courses on drafting and company law. https://www.shiksha.com/law/corporate-law-chp
https://www.shiksha.com/law/business-law-chp
https://www.shiksha.com/law/company-law-chp

Uncertain about the main campus but may get vips or iimt and lower. Being from delhi you get the 85% reservation benefit. Wait till cpunselling starts you will definitely get a very good college

The university is very recent it is not even NAAC or NBA or NIRF rated. This can only happen when after two batches have graduated which happens post June 2021. The university does advertises great infrastructure academics faculties etc. It is a private university with huge amount of fees INR. 23 lakhs pa. I don't know the environment in the university, but only rich students would be studying there, so you should see about the peer pressure also. Nevertheless, I would not have chosen this university.

Yes, you are eligible for getting main campus, as the 2017 cutoff says that the candidates with 142 marks were eligible for getting admission in main campus.

It does not seem possible.

Sorry, with that rank it is not possible. Take a drop or apply in a private university.