Explanation:

- In the Union Budget for the financial year 2022, the corporate surcharge was a major topic.

- A corporate surcharge is an additional charge over the base corporate tax.

- The surcharge rate was reduced from 12%.

- Option 1: 7%

- ?? Incorrect. The surcharge was not reduced to 7%.

- Option 2: 8%

- Correct. The surcharge was reduced to 8%.

- Option 3: 1%

- ?? Not correct as that would be too minimal a reduction.

- Option 4: 9%

- ?? Incorrect. The reduction was not made to 9%.