There is no link with Gall bladder surgery
It is mainly caused by H.Pylori infection apart from dietary factors,stress,pain killers etc.
Please take complete course of H.pylori with Tetracycline
,bismuth and Pantaprazole.
Stop alchohol,smoking.Avoid spicy foods,masala foods,cool drinks,coffee.
After the course,continue with Rabeprazole
along with prokinetic Itopride.
You can stop Rantidine in the evening.
Wish you good health