As per your query,NATA exam is there to take admission in any architecture college of India along with kerala.

Some of the lists of architecture colleges in kerala are:

Architecture Mes College of Engineering Malappuram, Kerala
College of engineering Trivandrum
Government Engineering College Idduki
National Institute Of Technology Calicut
T K M College of engineering Kollam
Guruvayurappan College of Architecture Malappuram.
M.E.S College of Engineering Malappuram
Sankar Institute of Science Technology and Management Kollam


Paper pattern of NATA:

NATA test has two papers.

1. Aesthetic Sensitivity Test :- 100 Marks. (One Hour) This test is carried out online at test centers.
2. Drawing Test :- 100 Marks. (Two Hours) This test will be conducted after you finish first test at same test center.
To crack NATA exam, you have to score 80 Marks out of 200 Total Marks of both papers.

This exam is not at all difficult. You may be able to prepare for this exam at home through following syllabus.

For Aesthetic Sensitivity Test Prepare following:-
Analytical Reasoning
Architectural Awareness (General knowledge question about Architecture, famous building etc..)
Identifying commonly used material and objects based on their texture
Visualising three dimensional objects through two dimensional drawing
Visualising different sides of three dimensional objects
Mental ability
Imaginative comprehension and expression
In sort, this section judges students perception, imagination, communication power, observation, Architectural awareness and creativity. If you prepare well you can score 100% in this paper.

For Drawing Test Prepare following:-
Learn to sketch given object proportionately and rendering in a visually appealing manner
Light and Shadow on object and its surrounding
Perspective Drawing
You should be able to combine three dimensional object to form stable structure and depict in sketching
Sense of Scale and Proportion
Colour composition, Sense of Colour
Memory Drawing
You should be able to sketch two dimensional composition using given shape and form

Some books are listed below for the preparation of NATA exam:
Architecture Entrance Book by P. K. Mishra
• NATA Examination ( Verbal / Non- Verbal / Reasoning ) by R.S. Agarwal
• NATA Entrance Examination by Arihant Book