Indian Oil Corporation — petrol pump

sir i want to complaint about indian oil petrol pump KR Road . jayanagar 7th block banglore they are not filling correct amount of petrol for money and not giving exact change if we ask something the employes are behaving rude most of my friends have same complaint and they are not giving any ckcking tools like filter pepper or anything while you are giving adds check and fill every where now a days we all are going to shell petrol pumps as they are good in service and we suggest shell our known ones please take fast action they are spoiling a trusted brand all over India