sir hum sale invoice vouchers PR order bill kr sakte h ya nahi kuch log keh rahe bina gst number ke bill nahi katega or 10000 ke upar ki cash sale nahi kr sakte
GST registration is compulsory if your turnover is above 20 lakh after 1 july as without the registartion you can continue your business so it is important to register under GST and obatin GSTIN number which is the unique code given by government.