Hey Harini,

In my opinion, here are some of the best books for NATA entrance exam:

• NATA & B.Arch Question Bank  by Ar. Shadan Usmani
• NATA & B.Arch complete self study material: entrance examination by  Ar. Shadan Usmani
• A Complete Self Study Guide for B.Arch by P. K. Mishra
• B.Arch Entrance Examination Guide by Surendra Kavimandan

Good Luck.

Yes of course, I will help you in choosing best book for your NATA preparation. Here are some books - 1. NATA & B. Arch Question Bank by Ar. Shadan Usmani. 2. A complete self study guide for B. Arch by P. K Mishra. 3. NATA & B. Arch complete self study material - entrance examination by Ar. Shadan Usmani

Hii

You can take help from youtube & google which will give you a idea for preparation. Following are the books which will help you for the preparation :-  

NATA & B.Arch complete self study material: entrance examination by  Ar. Shadan Usmani

B.Arch Entrance Examination Guide by Surendra Kavimandan

B.Arch NATA/JEE (Main) offline drawing test by Nimish Madan.

Best of luck. Hope this information is helpful for you.