A trader dealing only in exempted goods or where his turnover is below Rs 20 lakh in the financial year, but not engaged in inter-state supplies, is not required to register under GST
2)The traders, who have turnover below Rs 20 lakh and supply goods and services within the state, can also go for voluntary registration to avail input tax credit
3) you are not required to collect 1 percent TDS from monthly payments made to service providers whose turnover is below Rs 20 lakhs