A greenish stool with increased bowel movement possibility of infection or some kind of food poisoning
which caused a mal absorption of fats. as there is indigestion
it leads to gas formation due to fermentation of food . If it is transient it will pass in day or two. Keep yourself hydrated and take fluids like coconut water and buttermilk and curd. pro and pre biotics like lactobacillus
may help. But if it is for long time then we must look for any kind of mal absorption or infection is there which needs specific therapy.After checking stool for routine and microscopic examination a course of antibiotic in combination of metronidazole
may be given by your doctor.Take care of water it is potable and take freshly cooked meal.