Once quietly tucked on lower shelves, private labels are now leading the charge in India’s supermarket and hypermarket sector. From grocery to homeware, retailers like DMart, Reliance Retail, More, Spencer’s, Metro Cash & Carry, and e-marketplaces like JioMart, Amazon, Flipkart, BigBasket are crafting full-spectrum in-house brands to bolster margins, control supply chains, and reshape shopper…