The Original Application in O.A.No.2566 of 2002 before the Tamil Nadu Administrative Tribunal (hereinafter referred to as "the Tribunal") is now Writ Petition in W.P.No.9414 of 2007 before this Court.

2. Heard Dr.S.Padma, learned Counsel for the petitioner and Mrs.C.K.Vishnu Priya, learned Additional Government Pleader for the respondents.

3. The petitioner entered into the teaching service on 210. 1964 and retired as Public Union Elementary School, Narayanapuram Vadipatty Taluk, Madurai District, when she was retired on reaching the age of superannuation on 31.08.1997. Since she was retired in the middle of the academic year, she was re-employed until the end of the academic year. Hence she was re-employed in the service from 31.08.1997 to 31.05.1998. She was paid pension from the date of retirement. Later, the pension was revised with effect from 31.08.1997, as she was retired on 31.08.1997.

4. The Regional Joint Director of Treasuries and Accounts, Madurai in his notes of inspection of the Sub-Treasury for the year 2001, pointed out that as per the Government letter No.39187/Fin/PC/2000-1 dated 22.03.2001, the increase in pension by way of revision for the period 01.0