Akshaya Patra Centralized kitchen images show how an Akshaya Patra meal preparation in an hygienic environment. The rice, vegetables and dal are washed and cooked in steam heated cauldrons after which its transported to the schools in vans.The rice cauldrons cooks 110 kgs of rice in 20 minutes and sambar cauldrons cook upto 1200 litres of sambar in two hours.