The registration of pilgrims for Amarnath Yatra 2021, for both Baltal and Chandanwari routes, opened on April 1. The annual pilgrimage to the 3,880-metre-high Himalayan cave shrine in south Kashmir will commence from June 28, 2021 and culminate on August 22, 2021. COVID-19 protocols have been put in place, officials of Shri Amarnathji Shrine Board (SASB) said.