“…Specifically, the major CHTMs, such as cobalt and palladium, are contained in waste feature phones, while antimony, beryllium, praseodymium, neodymium, and platinum are also contained in waste smartphones ( Cucchiella et al, 2015 ). Despite being a relatively rich country in terms of mineral resources, India’s dependence on imported minerals is high, next only to oil ( Randive and Jawadand, 2019 ). Therefore, waste cellphones represent a potential crucial reservoir of CHTMs for urban mining in future decades.…”