ZipNach works on the cellphone’s Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you validate to the customer’s account.There is no subscription fee to use ZipNach.What all you have to do is, input all mandatory fields then submit your details. After that select Bank Name or Mandate Name. Now you have two options for validating the account by Physical or E-Mandate.If you select Physical then you need to upload a physical copy of the mandate. if you select an E-mandate option then you need to validate your account by payment option.i.e, Debit Card and NetBanking. Now, if you want to send an email or message to your email address or phone number the select appropriate option otherwise validates your account online.