It is a company which is registered under Companies Act and attains a license from RBI to carry on business which is similar to banking services, but they are not governed by regulation which is laid down for commercial banks.
The problem arises when an unregistered well-known trademark is infringed, as there are no provisions protecting an unregistered trademark under Indian trademark act.
After the implementation of the GST taxation system on 1st July 2017, the central government has ruled out that filing the GST within time is extremely crucial.