regular appointment in capacities other than paid or unpaid apprentices, trainees and casual labourers in Central or State Government service or in Public Sector Undertakings or Registered Private Sector Undertakings, after acquiring the basic qualification prescribed for the post. In the proviso to the said rule it is stipulated that the experience gained as factory workers on daily wages of a permanent nature may be accepted, if the service is continuous and not of a casual nature. As per Explanation (1) to the said rule, a co-operative society registered under the Kerala Co-operative Societies Act, 1969 is recognized as a registered private sector undertaking. It is no where stipulated in the main limb of Rule 10 (ab) that the experience gained by persons employed on deputation will not be reckoned. The experience which is not recognized for the purpose of the Rule 10(ab) is experience gained by paid or unpaid apprentices, trainees and casual labourers. However, the proviso stipulates that the experience gained as factory workers on daily wages of a permanent nature may be accepted, if the service is continuous and not of a casual nature. On the terms of Rule 10 (ab) we are not persuaded to accept the contention of the respondents that the experience gained by a person appointed on deputation cannot be reckoned or taken into account. Their argument is that