Hari Singh finds it pleasant working for Anil for several reasons. Anil teaches him to cook, write his name, and promises to teach him whole sentences and arithmetic. Hari realises that education could bring him far more than theft ever could — "there would be no limit to what I could achieve." Besides, Anil is kind and trusting; he lets Hari keep a daily profit on shopping without complaint. This genuine care and the opportunity to better himself make the arrangement pleasant despite Hari being a thief.
Source: The Thief's Story, "The Thief Meets Anil" section
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The examiner expects three clear points: (1) Anil teaches Hari valuable skills (literacy/cooking), (2) Hari sees education as a path to a better future, and (3) Anil's kind, non-judgmental nature makes the environment comfortable. Avoid just retelling the plot — connect each point to why it feels pleasant to Hari. Use a brief quote if possible; it shows textual evidence and impresses examiners.