Theory:

     It was not an easy job to get twigs and saplings for Kari. I had to climb all kinds of trees to get the most delicate and tender twigs. As he was very fond of the young branches of the banyan tree which grows like a cathedral of leaves and branches, I was gathering some, one spring day in March, when I suddenly heard Kari calling to me in the distance. As he was still very young, the call was more like that of a baby than an elephant. I thought somebody was hurting him, so I came down from my tree and ran very fast to the edge of the forest where I had left him, but he was not there.
Explanation:
 
The narrator had to climb different varieties of trees to get the most delicate and tender twigs.
 
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Delicate twig
 
It was difficult to collect saplings and twigs for Kari. He liked to eat the young branches of the banyan tree. One spring day in March, when he was collecting some young branches, he suddenly heard a call. It was the cry of an elephant. The sound made him think that Kari was in danger and somebody was hurting him. He felt that it was the cry of a baby. Immediately he came down from the tree and ran very fast to the edge of the forest where he left him. But Kari was not there.
 
EA Given Shutterstock.jpg
*Narrator climbing the banyan tree for saplings and twigs
 
Meanings of the difficult words:
 
S.No
Words
Meanings
1
DelicateEasy to damage or break
2
SaplingsA young tree with a slender trunk
3
TwigsA small thin branch on a tree or bush
Reference:
National Council of Educational Research and Training (2007). Bringing up Kari- Dhan Gopal Mukherji(7-14). Published at the Publication Division by the Secretary, National Council of Educational Research and Training, Sri Aurobindo Marg, New Delhi.
 
*Narrator climbing the banyan tree: EA Given / Shutterstock.com