No one knows what exactly The Great Khali's diet chart includes. But according to the Indian Premium News Channel Aaj Tak his daily diet is :
5 Liters of Milk
2-3 Kilograms of chicken
0.5-1 kg of dry fruits
25-30 Roti with Daal and Sabji

He is also known to consume 25 eggs at a time, 7 times a day.