At the time of joining, the candidate should produce valid prescribed documents given below. In the absence of documents candidature of the candidates shall be cancelled.

a) Caste Certificate in respect of SC/ST candidates is to be obtained from the following Authorities:
i) District Magistrate / Additional District Magistrate / Collector/Deputy Commissioner/ Deputy Collector/ First Class Stipendiary Magistrate/ Sub-Divisional Magistrate/ Taluka Magistrate/Executive Magistrate/Extra Assistant Commissioner (Not below the rank of First Class Stipendiary Magistrate) ii) Chief Presidency Magistrate/Additional Chief Presidency Magistrate/Presidency Magistrate iii) Revenue Officer not below the rank of Tehsildar iv) Sub-Divisional Officer of the area where the candidate and/or his family normally resides v) In so far as the Scheduled Tribes communities of Tamil Nadu is concerned, the Certificate given by the Revenue Divisional Officer instead of Tehsildar would only be accepted
Note: Caste validity certificate in original, from the appropriate authorities of the state/union territory from which the caste certificate was issued along with self-attested Photostat copy is to be submitted at the time of interview.
b) Candidates seeking reservation as OBC are required to submit a certificate regarding his/her “OBC Status & Non-Creamy Layer Status” issued by an authority mentioned in DOPT OM No.
c) For Persons with Disabilities: Authorized certifying authority will be the Medical Board at the District level consisting of Chief Medical Officer, Sub-Divisional Medical Officer in the District and an Orthopaedic / Ophthalmic / ENT Surgeon.
d) Please refer to Annexure for the prescribed formats of (SC, ST, OBC, PWD, EX-Servicemen) certificates to be submitted at the time of interview etc. Candidates belonging to these categories are required to produce the certificates strictly in these formats only.