What is SAC code for Rent on commercial property ? (Godown, Factory, Office) What is Tax rate ? Is ITC under RCM available ?

I have been filling under form-k(in the old portal ctd.tn.gov.in) until June2017. In GST Portal i have forgot to opt in for composition scheme. We have also already issued invoices(bill of supply) under composition scheme for July. its difficult for me to cancel the bills already issued. How should I proceed ? 

Dear Sir,
What would be gst rate on hawan ki lakdi?

my query is if I do not show my urd purchase for gst inward under RCM how gov will come to know that tax on urd purchase is payable or not ? are they going to match with profit and loss a/c?

sir main ek transport agency operete karta hu maine gst bhi liya hua hai but company ne mera rcm deduct kiya hai kya mujhe gst 3b bharna hoga plz give me right suggestion thanks

If a service provider is registered say on 5th Aug 2017 on voluntary basis. In July his t/o was Rs 20000. Is it necessary for this assessee to file July 2017 GSTR3B.?

if we paid gst under rcm cash. now can we take itc of this in the gstr 3b if july month

I have made an export sale with IGST charged in the Bill. The IGST amount has also been paid by bank. How do I enter it in GSTR 3B?

Can any body help me in finding GST rate for works contract, Iam running a talioring shop, stiching clothes for end customers who brings there fabrics for stiching, some expert told me that Iam doing a works contract, so plss suggest if any one can

I was trying to get a GST tin registration for a sole trading organization.
However the site asks for a legal name of the business as per PAN.
Does a sole trader hold a PAN under the name of business?