Flipkart — My brother is order a tripod for me in Flipkart but I received a wrong brand tripod.

Address: Bhanjanagar.

My name suryasnata .my brother is order a tripod from Flipkart.but I received a wrong brand product..then he applied for replacement.flipkart asking for i'd proof we already upload i'd proof but the pick up approve is still pending.replacement request accepted but pick up date not shown.we want to replace our item as much as possible...we hv only 3days to replacement this item..