Theory:

     It was a flowering mustard-field, pale like melting gold as it swept across miles and miles of even land.
 
     A group of dragonflies were bustling about on their gaudy purple wings, intercepting the flight of a lone black bee or butterfly in search of sweetness from the flowers. The child followed them in the air with his gaze, till one of them would still its wings and rest, and he would try to catch it. But it would go fluttering, flapping, up into the air, when he had almost caught it in his hands. Then his mother gave a cautionary call: “Come, child, come, come on to the footpath.”
Explanation:
 
There was an enormous field of yellow - coloured mustard flowers. They seemed like outflowing full of gold and were extensive. The little boy compared the mustard field to the gold, which looked dull after melting.
 
A group of dragonflies, black bees, and butterflies buzzed around, gulping the nectar from the flowers, and they had bright wings. The child looked at them as they flew around. When one of them sat in some place, he tried to catch them, but the tiny creatures would fly away the next occurrence. The mother called out to him as they started walking down the footpath.
 
Meanings of difficult words:
 
Numbers
Word
Meanings
1.
PaleDull, colourless.
2.
GaudyExtremely bright and showy.
Reference:
National Council of Educational Research and Training (2006). Moments. The lost child - Mulk Raj Anand (pp. 01-06). Published at the Publication Division by the Secretary, National Council of Educational Research and Training, Sri Aurobindo Marg, New Delhi.