. A business whose aggregate turnover in a financial year exceeds Rs 20 lakhs has to mandatorily register under Goods and Services Tax. This limit is set at Rs 10 lakhs for North Eastern and hilly states flagged as special category states. Also, the definition of taxable turnover has been changed to aggregate turnover.
Or If you wish to take on voluntarily basis even below Rs 20lacs, you can take GST registration.