The Interview or the Personality test of the Civil Services exam is conducted in Delhi at the UPSC office. The candidate will be interviewed by a Board of competent and unbiased observers who will have before
them a record of his/her career. The object of the Interview is to assess the personal suitability of the candidate for the Service. The candidate will be expected to have taken an intelligent interest not only in his/her subjects of academic study but also in events which are happening around him/her both within and outside his/her own state or country, as well as in modem currents of thoughts and in new discoveries which should rouse the curiosity of well educated youth.
2. The technique of the interview is not that of a strict cross examination, but of a natural, though directed and purposive conversation, intended to reveal mental qualities of the candidate. The Board will pay special attention to assessing the intellectual curiosity, critical powers of observation and assimilation, balance of judgment and alertness of mind, initiative, tact, capacity for leadership; the ability for social cohesion, mental and physical energy and powers of practical application; integrity of character; and other qualities such as topographical sense, love for out-door life and the desire to explore unknown and out of way places.
(Source :UPSC Notification)

Documents to be submitted at the Personality test:

Following Documents has to be submitted at the time of Personality Test Board for Civil Services Examination.

SC/ST Certificate Performa, OBC Certificate Performa, Undertaking, Physically Handicapped Certificate Performa, Performa of Hailing from Certificate Questionnaire, Attestation Form, TA Form. The Questionnaire, Attestation Form and TA Form are available at the UPSC official website. If you have applied under SC or ST or OBC, or Physically Handicapped category then fill in and submit the respective certificate. The certificate is separately available for print out at the UPSC site – www.upsc.gov.in.

The candidates are requested to carry the following documents for the interview.

Filled Questionnaire: The seven page questionnaire is required for the research and analysis section of UPSC and is used for assessing background information of the candidate appearing for the personality test/ interview. This questioner has be duly filled and submitted at the time of the interview. The questionnaire is divided into several sections.
Background of the candidate
Employment status
Previous Civil Services attempts
Competitive exams cleared
Reasons for interest in Civil Services
Education particulars
Background of Parents/Guardian
Source of information for Civil Services
Coaching attended
Optional subject chosen

Attestation Form: The attestation form has to be filled with required details including residence,
nationality education and has to be signed by a Gazetted officer before being submitted at the time of the interview.