Explanation:

- Option 1: 5 years

- This isn't the correct term for imprisonment under Section 138. The maximum penalty is less.

- Option 2: 4 years

- Also incorrect. The law provides for a lesser maximum imprisonment term.

- Option 3: 3 years

- This option is not applicable to Section 138 of the Negotiable Instrument Act.

- Option 4: 2 years

- Correct Answer

- Section 138 of the Negotiable Instruments Act, 1881 prescribes a maximum imprisonment term of two years or a fine, or both for dishonor of cheque offenses.

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