Please suggest me , what should be the treatment???

Ajay sharma (Student) (45 Points)

28 September 2017  

i had raised a bill under service tax but that bill was not send to client .

now the client is demanding a bill under gst .

but if do so then the same bill will be raised 2 times ( 1 in service tax and 1 in gst )

please suggest me , what should be the treatment if i raised another bill in gst