Pension of ex-army is taxable ?

Computed pension is exempt in the hand of Govt. employee and uncomputed pension is taxable. however family pension received by family of armed force is exempt.

A disability pension is a form of pension given to those people who are permanently or temporarily unable to work due to a disability. It is distinct from welfare.

https://taxworry.com/disability-pension-to-armed-forces-fully-exempt-from-tax-tds/