Sale invoice - without purchase invoice

 Hi,

I have bought the materials in my personal name and supplied the materials to a company by giving them a Delivery Challan.

After 10 days, I got my "New License(new TIN.No)". Now the company to whom we have supplied is requesting us a Tax Invoice.

my question is :-

1. Can i file the Purchase Invoice bought in my personal name under the "New license" ?

2. How should i generate a Sale/Tax invoice under the "New License" without proper purchase invoice ?

Note:

 Since i have not received my TIN.No at the time of purchase, I have made the purchase in my personal name.

Thanks in advance,

siva