Veteran playback singer Alka Yagnik, on Monday, June 17, revealed that she has been diagnosed with a rare sensory neural nerve hearing loss due to viral attack. In her Instagram post, the 58-year-old singer said that this was the reason why she was ''missing in action''. She also said that this ''sudden major setback'' caught her ''completely unaware'' and she is trying to come to terms with it. The singer also asked everyone to pray for her and hopes to come back soon.