Vishal Mega Mart — exchange of iron not permitted after purchase made

Address:

122001

Our company purchased bulk gifts from vishal mega mart sector 14 gurgaon. I wanted to exchange one steam iron with some other item of higher value. Store incharge refused which at any cost is not acceptable. Please refund the cost of the same or exchange.
Why even our company always purchase in bulk on festival occasions that your store is not taking into consideration. I am gm of the same company and i want to exchange the iron steam given to me purchased from your store during diwali with some other electronic item of more value from your store