GST registration

Yes you have to club the both business it will help you indue course your states will be a registered dealer and useful in future

If you are a proprietor of both businesses, you will have register both businesses under same PAN. You will get GST Identification number which is PAN based. and you will have to mention same GSTIN on invoices and at business premises of both businesses.
You can register both businesses separately under GST. You will get separate GSTIN for each business. and you will have to file GST returns separately for both businesses.

If you are a proprietor for below threshold limit business and other business is partnership or Company, then it is not compulsory to mention your first business. However, it is necessary to mention your individual PAN in registration application.

Point No. 1 : Registration under GST is PAN wise.

Point No. 2 : Aggregate Turnover as defined under Section 2(6) of the CGST Act 2017 means "the aggregate value of all taxable supplies ( excluding the value of inward supplies on which tax is payable by a person on RCM basis ), Exempt Supply, Export of Goods or Services or both and Inter State Supplies of Person having the same PAN "to be computed on PAN India basis" buy excludes CGST, SGST, IGST, UTGST and cess.

Since your both the business are in the same PAN, you have to apply for GST Registration for both the verticals since Aggregate Turnover needs to be computed on PAN India basis.

Point 3 : You can take 2 separate GST Registration for your business verticals which are in the same state or opt for only 1 Registration for both the verticals.

Place of business must in a different place