Explanation:

- Public Sector Banks (PSBs):

- Maximum FDI limit under government approval: 20%

- Private Sector Banks:

- Maximum permissible FDI: 74%

- Individual Stake:

- Maximum individual stake in a bank: 10%

- Option 1 - 40:100:10:

- Incorrect: PSBs FDI limit is not 40%.

- Private banks can have 100% FDI, but it's incorrect as PSBs limit is wrong.

- Option 2 - 20:74:10:

- Correct: Matches the limits for PSBs, private banks, and individual stakes.

- Option 3 - 26:49:26:

- Incorrect: Does not match any current guidelines for banks.

- Option 4 - 74:100:26:

- Incorrect: PSBs and individual stake limits do not match.

- Option 5 - None of Above:

- Incorrect: There is a correct option available.

Option 2 is the correct answer.