Singer KK’s tragic death has left the entire nation in shock. The 53-year-old singer passed away hours after performing at a concert in Kolkata. Like millions of his fans, actor Anindya Chatterjee couldn’t believe the news when he first heard it. The versatile singer, as per reports, felt unwell while he was performing at the concert at Nazrul Mancha. He then went straight to his hotel in Esplanade and collapsed.