Users will always be able to transfer the bitcoins from their Zebpay wallet now or in future to a wallet in which they control the private keys, for example, bitgo.com or Trezor. In the case of a ban, you can control your bitcoins.
Since it’s a hypothetical situation, we cannot prepare for it as we don't know the conditions. Bitcoins is legal in most western countries. For more information, visit zebpay.com/legal.