HDFC Bank — minimum balance charge

Address:

Chennai, Tamil Nadu, 600043

Lot of charges has been accounted to my savings account with related to balance for the month of March 2019, 3 consecutive times, no further explanation has been given by bank employees.instead of cancellation.they have charged me with extra rs.600 extra for my query.previous complaints made, no action or intiative taken till date.uselss banking