List of all Waterproof Mobiles under Rs. 20000 starting from Rs. 15,999. We have found 8 phones. The best phones in this list are Xiaomi Poco F1 at Rs. 19,350 with a spec score of 89, followed by Xiaomi Redmi Note 7 Pro 128GB at Rs. 16,999 with a spec score of 84 and Motorola Moto X Play 16GB at Rs. 17,499 with a spec score of 68.