pre- despatch inspection at the supplier premises in kolkata,howrah, hoogly and adjacent areas ,in and around durgapur/asansol and testing (wherever necessary). pre- despatch inspection at the supplier premises in kolkata,howrah, hoogly and adjacent areas ,in and around durgapur/asansol and testing (wherever necessary). pre- despatch inspection at the supplier premises in kolkata,howrah, hoogly and adjacent areas ,in and around durgapur/asansol and testing (wherever necessary).