Hello Poornima,

If you are appearing for JEE Main paper 2 then the aptitude part will be very easy and if you have good mathematical and reasoning then it will be very easy to score you in that part However mathematics will be a little bit tougher but if you have good knowledge of class 12 mathematics then you can a score some marks in that. In Drawing test, almost everyone gets 50% marks if you are better in drawing then you will get more marks so it will be very easy for anyone with a good attitude to get a government college in architecture.

JEE Main paper 2 & NATA are the National level exams for B.Architecture programme, You can apply for the programme. As per the eligibility you should have Physics, Chemistry and Mathematics as  the Compulsory subjects. You can check the complete details with the given below links.

NATA Eligibility

JEE Main Paper II Eligibility

Here are some preparation tips you can follow for the exams preparation:

Focus on to understand the concepts and build your strong fundamentals.

You can divide your syllabus according to the time left and make sure you revise the syllabus specially important topics.

Work on your observation skills and drawing to prepare for the Aptitude and Drawing tests.

Make revision notes/flash cards on concepts, formulae, definitions etc. for each topic.

Solve enough sample papers and previous years tests to develop pace and practice. You can even take online mock tests for practice.

You can follow below study material

A Complete Self Study Guide for B.Arch 2015 Entrance Examination (English) by P.K Mishra, Arihant Publications

Verbal & Non Verbal Reasoning Book by R.S. Aggarwal,

Architecture Entrance Book by P.K. Mishra.

Good Luck!