Your liver enzymes like GGTP is definitely very high although ALT is just marginally raised and it is definitely a cause of concern.
The most common causes for high GGTPis chronic consumption of alcohol.
The other common cause is being obese and overweight
You must reduce your weight.
Take less calories.
Do regular exercises.
If taking alcohol,then stop it completely.
Take more of fresh fruits and green vegetables.
Avoid junk foods like burgers and pizzas.
Avoid sweets and deep fried foods.
Get your enzymes tested again after 3 months .
If they are still very high,then consult a gastroenterologist
and look for other causes for high GGTP levels like hepatitis
,viral infections like CMV etc.