Saranya-Whirlpool-1704911131

I have bought whiroool refrigerator just two months before in sathya shop Pudukkottai..in my fridge, there is always a small small insects in my trays . . I have complaint in customer care more than 10times but they are not even sending a technician to check it.. how can a insect come inside a fridge.. is there a hole or any manufacturing defect..