What are the restrictions on a Retired Government Servant being appointed as a Defence Assistant?

8. What are the restrictions on a Retired Government Servant being appointed as a Defence Assistant? DoP&T OM No. 11012/11/2002-Estt.(A) dated 5 D}Feb 2003 provides the following conditions in the matter of appointment of a retired government as a Defence Assistant: (a) Should have retired from Service under the Central Government. (b) If the retired Government Servant happens to be a legal practitioner also, the conditions prescribed for engaging a legal practitioner as defence assistant will apply (c) Should not have been associated with the case in any manner in his official capacity (d) Cannot function as Defence Assistant in more than seven cases at any point of time.