Because of nervousness, fear grips and despite the capability to reply one cannot respond to an inquiry. Sometimes this happens because one is over impressed of the others personality. In order to get rid of this complex get up early in the morning
Perform ablution, recite once
taking some water in the hand and sniff it up and blow it out. This is to be done seven times each time taking fresh handful of water, after reciting “یا ودود ” only once. This is to be practiced till completely recovered.