NIFT does'nt publish either the Question Paper or Answer Key. They have never done that in the past. The results will be out in the month of March.

Scholarships / Teaching assitantships are available for deserved candidates for M.DES programs in IITs and IISC. Students can also earn scholarships through sponsored projects offered by the companies.

I guess you are asking about foriegn nationals ??

no there is no negative marks for nata you can check it here

https://cdn4.tcsion.com/dotcom/ICMP/Guidelines/NATA/NATA2018-Brochure.pdf

 At least 80/200 (40%), for consideration of admission into first year B.Arch programme.

Portfolio is not required for NIFT admission.

Yes. the syllabus is the same for both the exams.