In this critical situation, due to spread of Corona viruse. Our study has stopped suddenly. I thought I was failed in this year I will get tensed and one day my teacher call me and said to come and join WhatsApp group. this was very great and happy moment. All because of Whatsapp. And with very kind heart I will quickly go to play store and give five star rating to Whatsapp and I comment thanks you to this app. And to say about its all features I will gave 4 upon 5. And if you cannot continue your class then says your teachers to make group and happily continue your study in online. Download now.