JUDGMENT :

R. BANUMATHI, J.

1. Respondents No. 1 to 10 and 14 to 21 were appointed as LDCs in February 1991. They were required to undergo three months training prior to being put on probation. Both LDCs and Typists are in the integrated feeder category for promotion as UDCs. Respondents No. 12 and 13 issued a Memo dated 16.07.2002 clarifying that the training period in respect of LDCs/RCs would be reckoned as the period in service for promotion as UDCs. In the said Memo dated 16.07.2002, it was stated that as per the orders issued in Memo dated 02.04.1994 by the Andhra Pradesh State Electricity Board (APSEB), the integrated seniority list of LDCs/RCs/Typists would be drawn without disturbing their seniority assigned during selection for appointment to that post. LDCs/RCs/Typists are different categories and having separate seniority lists for each category. In the said Memo it was clarified that for integrating their seniority, the date of joining as Trainee LDCs/RCs shall be taken as criteria for their integrated seniority without disturbing their relative seniority in their respective cadres. It was stated in the Memo dated 16.07.2002 that the earlier Memo dated 02.04.1994 holds g