To brighten or clean up, as the Oxford English Dictionary defines “refurbish”, is an approach finding increasing relevance for tech purchases. “The refurbished technology market in India is witnessing an unprecedented boom,” says Mandeep Manocha, co-founder and CEO of Cashify, a platform which sells refurbished smartphones, tablets, laptops, smartwatches and gaming consoles. E-commerce platforms Amazon and Flipkart are sharpening focus …