tell me whether composition scheme is not applicable to all types of services or not

if a service provider migrate to GST, his turnover was below 20 L last year. In current year expected to be below 20L

Shall such assessee cancel GST or can continue and get basic exemption of 20L

I upload all documents with e sign .
But now it shows validation error in my status but I am not found any error while recheck. How I know that what errors occurred?

dear sir/madam A dealer has a Rice mill and he supplies only hulling services, his turnover is more then 20 lack, in this case he required to register under gst?

Sold garments worth Rs.10000 and the customer paid cash for the same. After that discount of Rs.100 is paid to the customer. Whether GST is to be paid on the discount paid Rs.100, if so at what rate and kindly explain the logic.

I raise accounting charges invoice against my clients for preparing accounts in tally erp 9. I am unregistered in GST, But my clients are registered in GST. Will this accounting charges attract GST ? And, who has to pay and what is the rate ?
From K.K JOSHI

I have just started a retail trading business and want to get myself registered in GST (GSTIN). What is the procedure ? I do not have previous TIn or GRN.

I have migrated to GST and got Provisional ID and password. My query is as my gross revenue is less than Rs 20lakhs and it was less than the threshold limit in the ST also is it necessary to with GST regn? What ID the procedure to cancel Regm? Will it have any effect on my work as tax practitioner and tax audit under GST? My opinion is the two are different and conflict with each other . Kindly let me have your opinion

I have migrated to GST and got provisional ID and pw. my question is that my gross revenue is less than Rs 20lakhs and even under ST it was less than the threshold limit on that case can I cancel my registration under GST? If so should I surrender my registration certificate. What is the procedure for cancellation? Will the cancellation has any effect on my Audit of GST of my clients. my opinion is that this is not applicable as both are different. Kindly let me have your opinion on the above aspect

Respected sir
After starting gst from 1st july 2017 sale procedure of old stock purchase before 1st july? please guide thanks..............