PM Narendra Modi will today unveil an 800-kg Bhagavad Gita, a holy book considered most sacred by Hindus, at the ISKCON temple in Delhi. The book measures 2.8 metres by 2 metres and has 670 pages. ISKCON officials say that the 'Astounding Bhagavad Gita', as it is being called, is the "world's largest sacred book". On this occasion, the PM will also address a gathering of spiritual leaders, diplomats and ISKCON members from around the world. The ISKCON temple in South Delhi is visited by a large number of devotees everyday.