Sri Lanka singer Yohani has had a minor accident on stage during her last performance in New Delhi, India.Taking to Twitter, Yohani stated that the accident happened when she knocked her face on the head of a guitar.“Show must go on! Had an accident on stage during the last performance. As I was so engrossed in the moment and performing for you I knocked my face on the head of a guitar. I didn’t realize that I bruised my face in the process as well,” the singer said.