in this regard i will quote from few aspirants this year ,these are word of bhagwandas:
"your psychological assessment tells that you are not fit for civil service"
your psychologica report says that you are below par for civil service"
here is one example:
http://www.cssforum.com.pk/393110-post14.html
well what he said in csa may be said in some other context. psychological reports may or may not matter. rest is with panels' decision to finalise