“18. Since it is prescribed by the relevant orders that persons with a Degree in Chemistry with B.Ed in Physical Science are qualified for appointment, we think, we should accept the contentions of the applicants that B.Sc Degree in Polymer Chemistry is also a Degree in Chemistry covered by those orders and it cannot be treated as a Degree in some other subject. When a service qualification, like three years experience, is prescribed for a post the courts have held that unless it is expressly excluded, the same will partake within its fold temporary service also. Likewise, when a Degree in Chemistry is prescribed, a Degree in Polymer Chemistry, also being a Degree in Chemistry, is acceptable. Apart from that, in this case, the Kerala University as per Annexure-A14 has treated B.Sc Polymer Chemistry main as equivalent to B.Sc Chemistry main. So, when the prescription of qualification only provides for a Degree in the concerned Subject, i.e., Physical Science recognised by any of the Universities in Kerala, we think that the recognition granted by AnnexureA14 by the Kerala University to its Degree in Polymer Chemistry as equivalent to B.Sc Degree, is binding and the same has to be accepted by the Public Service Commission, even though the Rule does not provide for prescription of equivalence in express words. But that concept is brought in