By tactfully picking up on something that may be correct, by rephrasing the question, or by asking an additional one, the one conducting can set matters straight without undue awkwardness.
ऐसा करने से वह मामले को सही तरह से निपटा सकेगा और गलत जवाब देनेवाले को बेवजह शर्मिंदा नहीं होना पड़ेगा ।