Do you know how to Weight lose 12 kg in 6 days ?
10 kg of fat cannot be lost in just 5 days. However, it is possible to lose up to 2 kg of water weight during this time. To lose 10 kg of fat, you would need to create a caloric deficit of about 35,000 calories.
This can be achieved through a combination of diet and exercise, but it is not safe or sustainable to lose weight that quickly. When you are trying to reduce weight, it is better to do so gradually and in a healthy and long-term lifestyle modification.