Only State and Central government employees are entitled to tax exemption for leave encashment on retirement/superannuation. The definition of "Government Employee" is not specifically given in the IT Act-1961. However, the Act has incorporated PSU employees, government undertaking employees, local authorities employees, etc., in various other sections/clauses of the Income Tax Act-1961, wherein benefits are meant to be conferred to them. The same is not there in Section 10(10AA). Therefore, a PSU bank employee would need to cross-check before working out tax. This is my opinion unless some rule has changed in this context recently.