honda amaze – frequent brake pad change

i have a honda amaze bearing registration number JK01V 0675..recently i changed brake pads…however after running 1500 kms,it is giving squealing sound and looks its worn out..also last time i changed brake pads with around 5000 kms..also last time before changing brake pads i went to honda service station to get brake pads checked..but they said there brake pads are fine but then after around 500 kms i had change them…i have gone to hill view honda srinagar