Banerjee is short-tempered and very religious. There is a legend surrounding him that when he prays he levitates 18" off the ground. If you see him praying you will surely die.
The yogi known as Banerjee, plays a major part in the book Henry is reading. When Imhrat Khan finally finds the yogi, the yogi refuses to teach him. However, Imhrat is persistent. Every day he comes back to the yogi, asking to take him in as his pupil. Finally, Banerjee tells Imhrat where the yogi of Hardawar is so he can teach him.