Hii

Firstly, go for NCERT books. Exercises which are given at the end of each chapter in NCERT is extremely important to solve. Then you can refer following Books-

Architecture Entrance Book- P.K. Mishra

A Complete Self Study Guide for B. Arch Entrance Examinations- Arihant Books

Engineering Drawing - N.D.Bhatt and Pancha

Verbal & Non-Verbal Reasoning Book- R.S. Agarwal

NATA & B.Arch Question Bank  by Ar. Shadan Usmani

All the best.