According to Ayurveda the correct way of drinking water

According to Ayurveda drink water after eating poison stuff. It ends sauces (main body after the food is digested, provides energy and vitality) so instead of doing so thaw the food is digested. Higher amounts of gas and acid is formed and becomes a vicious cycle.
Find Wagh Maharishi Bhatt 103 diseases that are caused by drinking water immediately after meals.

==>The difference between food and water should be 1.5 to 2.5 hours. In addition, it also depends on geographical settings.
People living in mountain areas should drink water after eating too late. Instead of occupants in the lower and warmer parts.
Why is it takes time to digest the meal according to the environment.

==>Should drink water before eating and drink it 40 minutes before eating.

==>To clean the mouth and throat after eating 1 or 2 sips warm or tepid water may be taken.

==>If you feel thirsty you are in the morning after breakfast, seasonal fruit juice can be drank. 

And yogurt or buttermilk can be taken after lunch. Milk may be taken after dinner. However these waters but they also help to digest food and cause no harm to the body.
==>Taking a sip of water, a hot drink like tea.
==>Drink water first thing in the morning.
The body temperature will warm drink and it took a gulp should be carrying more and more saliva. If you're just drinking water in copper vessel will not have to keep it warm, it will return all the properties of hot water. The water should be warm to the pitcher. More than 18 years of age and 60 years of work and other people should drink 1.5 to 2 glasses of water per 1.25 liters should drink 3 glasses of water. This is the amount of water you can drink without thirst.

==>Of copper in the water intake if you're eligible. So after 3 months, stop taking the drug for a few weeks. Then re-start.