Do not sleep for at least 3 hours after a meal. This is most important.
1. First 3 days
Drink 2 glasses of water before each meal. So total should be 6 glasses a day. Stop all other liquids.
For example if you take lunch at 2.00 pm, take 1 glass each at 1.00 and 1.30 pm. Some deviations from suggested times are ok.
Do not drink water after 7 PM.
2. Next 2 days
Reduce water intake to 3 glasses day. 1 Glass before each meal.
3. Next 2 days
Reduce water intake to 1 glass day.
4. Next
Repeat 2 and 3 again and again.
After 1 month repeat 1,2and 3.