New Business Line under Existing GST Registration

Respected Sir/ Madam,

A dealer has Obtained GST Registration  for dealing in immitation Jewellery  business 

If he / she wants to deal  in sports related items( New Business Vertical) , Can it be done under the Same GST Number????

Can he Issue bills for Sale of Sports Related Items under the Same GST Number obtained for Immitation Jewellery ?????

Kindly reply as soon as possible

Regards