Exam

To be eligible for becoming a drug inspector for most the qualification is Bachelor’s degree in pharmacy. For joining B.Pharmacy or equivalent course one should be 10+2 class passed with physics, chemistry and biology (PCB) as main subjects.

Yes, in all sections you can use VC.

These are last year's cut-offs for sc students, these might give you a rough idea of this year's rank.
Civil Engineering 5267 (opening rank) 8493 (closing rank).
Computer Science & Engineering 2419 (opening rank) 5539 (closing rank).
Information Technology 5908 (opening rank) 11065 (closing rank).
Elec

Yes, you can get admission for a Diploma course. The eligibility for a Diploma course is class 10th passed.

Hey Deepak,
It's an easy process. You can directly come to the college for admission during summer vacations and get admission easily by registering and submitting some fee here.
Thanks.

It would be best to check with the institution you are planning to study in about your scores.

No, better luck next time.

Previous year's cutoff's of NITs are available at: https://josaa.nic.in/josaaorcrarchieve/Result/OpeningClosingRankArchieveN.aspx?Year=2017.
Best of Luck.