Request for GEM authorization number

I Aditya kumar, and we are the company known as "M/s mormukut  enterprises" located in delhi - India. We are dealing in computer hardware and software. Now also we are willing to deal in with DELL brand for Desktop Computers, Laptops and keyboard and mouse . I'm filling the Government Tender and its required the authorized letter from company. But I want to sell items through the Government eMarketplace (GEM) portal. I have a GEM ID also. But I need reseller or partner certificate from OEM so that I can add product on GEM portal.|