Ans. RRB books for reasoning section are as follows:
A Modern Approach to Verbal and Non-Verbal Reasoning by RS Aggarwal.
Lucent’s General Intelligence and Reasoning.
Analytical Reasoning by MK Pandey
New Approach to Reasoning Verbal, Non-Verbal and Analytical by BS Sijwali and Indu Sijwali.
Test of Reasoning by Edgar Thorpe