Superannuation Pension  -  A Superannuation pension is granted to a Government Servant entitled  or compelled by rule, to retire at a particular age.

Retiring Pension – A Retiring Pension shall be granted  to a Government Servant who retires, or is retired, in advance of the age of superannuation in accordance with provisions of Rule 42

Pension on absorption in or under a corporation, company or body - A Government Servant  who has been permitted to be absorbed in a service or post  in or under a corporation or company wholly or substantially  owned or controlled by the Government etc., and if such absorption is declared by the Government in the Public interest shall be granted  Pro-rata Pension vide Rule 34 of TN Pension Rules.

Invalid Pension   -  A Government Servant who is declared by the appropriate medical authority to be permanently incapacitated for further service in accordance with the instructions on the subject, may be granted invalid pension.

Compulsory Retirement Pension – A Government servant compulsorily retired from service as a penalty may be granted by the competent authority pension or gratuity or both at the rate not less than two-thirds and not more than full compensation pension or gratuity or both admissible to him on the date of his Compulsory retirement

Compensation Pension – A Government servant is entitled to get compensation pension owing to the abolition of his permanent post.