If you are targeting NATA 2019 only, it's better to go for 1 year subscription.

u should view it in pc or laptop not in mobile or tab

I got that wrong too! And agree that the answer must be 4 tangents. But there seems no way to challenge them😔. I mailed [email protected] yesterday, but haven't got a reply yet. Request you to send a mail too. Only numbers might make a difference.

Yes, it is considered as a good score.

As per the news till date, for attempting NATA 2019, you must have PCM as your core subjects.

This question doesn't have any specific answer because in order to take admission to SPA and/or JJ/Rachna Sansad you are awarded a rank based on your marks (in comparison to all applicants). The marks considered here are JEE mains Paper 2 and these marks vary according to the level of competition every year. 

Generally, admissions for architecture at SPA close within top 550 ranks for general category while for Planning it extends up to 2050 ranks.

all subject from your 12th will be considered

it is for 2019 entrance exam.... you can start practice. All the best!