Architecture

Yes, you can join by giving NATA exam if you join for Architecture course after Diploma, it would be 4 years course through lateral entry.

It totally depends upon your rank of set if it comes under the required rank, then you will admission easily.
Good luck.

No, B.Arch in top college requires much better marks than these. I would suggest you to try hard again next year to get top colleges.

Salary is as according to the skills of that architect and also in which company he/she is in. In the starting some is fetching approximately. 10 LPA and some is fetching only INR. 2.3 LPA - INR. 2.5 LPA, but the average is INR. 3 LPA - INR. 4 LPA in the staring.

Hello Rajan, Environmental studies and that too urban environment is definitely a very good choice. The present central government of India us giving lot of attention to urban planning. Smart cities us in fact a part of it. So if you decide to come back to India, just have no worries. There will be enough employment opportunities for professionals with your qualifications. Best wishes.

As for your requirement, the best university for Architecture is the RIMT university in Punjab. The admission procedure or fee structure of this university is not costly as compared to other universities. For your reference http://rimt.ac.in/school-of-architecture-and-planning.php.

Hello there,
In NATA that is National aptitude test in Architecture the maths questions are more of type NCERT and few questions are JEE type. Hope this help.
All the best.

Yes, you can definitely get a seat in the mentioned college.
All the best for your bright future.

Yes, you can definitely get it.
All the best for your bright future.

Check the below link:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=6919840
All the best for your bright future!