Many frequent flyers stand by the fact that if you keep yourself hydrated and get plenty of rest the effects of jet lag should go within a few days. However, there are some other ways to stop Jet Lags effects and there are remedies to stop you getting it all together.
Goa to Dallas jet lag information
Lets assume you left Goa at 9:00am. The flight takes approximately 17 hours 45 minutes so you would arrive in Dallas at 9:12am Goa time which is in fact 11:12pm Dallas time.
Your body will be telling you that its 9:12am but actually its now 11:12pm