Can a retailer of tobacco products eligible for composition scheme

Dear Colleagues,

1)How can we amend the contact number and email if on GST portal?
2)How can we file the REG-26 when there isnt any form as such? is it to be filed in hard copy? Please help!
3)If we have already filed GSTR-3b for july and did not claim any credit, but now my logistic supplier has revised his return. Should I claim the credit in GSTR-2 or leave it?

wheather purchase made as an unregistered dealer or as a consumer will make any difference?

Dear sir / madam my query is that i m giving repair and maintainance services to my clients in which i use some material from my side for repairing so how i issue invoice of this type problems.... whether i take input credit of material which is using in giving service....and how i maintain stock of this goods..

I am scrap dealer in chhattisgarh state. I am purchasing scrap from unregistered dealers, and sale to registered dealers. Is my case any rcm will applicable.

The issue is regarding mismatching of sale purchase between seller and purchaser. If in the same state the supplier files GSTR-1 for the month of July 2017 by reflecting the sales and if by the way due to certain reason the purchaser receives the goods in Aug 2017 whether the set-off of the CGST & SGST shall be allowable to the purchaser on account of the purchase in August 2017 because it is a mismatching case of sale purchase.

one person spend Rs.5000 perday to avoid reverse charge but at the end of month he has spend Rs.1,50,000/- means (5000*30 ) he has to charge reverse tax on 150000/ or not and also he must show this in 3b or GSTR2 while filing the return or not ?

Sir , My Friend has a small sweet shop , he already reg Vat and 5 % of tax till June, known they are migrated in to GST,
if he is a regular Tax Payaer how much rate of tax to sell a sweets, his annual turnover is Rs. 1500000/- PA. whether he continues in regular or Composition, his Purchases bill will be App Rs.500000/- PA.

what are the books of accounts to be in composition scheme? I'm just maintaining bills i.e, purchase bill, bill of supply (invoice)& other miscellaneous expense bill, bank statement. should we also upload invoice details in gst return which is due in October or just day by day sales amt. pls help me

The issue is regarding Interstate Purchase The goods were consigned to the customers in the month of July 2017 from interstate and were delivered to the customers in Aug 2017, the customers have shown therefore the purchase of the goods into their books of accounts in Aug 2017 but the same time the suppliers have shown the sales of the goods in their GSTR-1 of July 2017. Suppliers have already paid the IGST on sale of July 2017, whether the set-off of the IGST shall be allowable to the customers on account of the purchase of the August 2017 because it is a mismatching case of sale purchase.