Top 5 Best Phones Under 15000 In 2021 to buy in India. Looking for the best phone under Rs. 15,000 and don’t know which one to buy. Here is a list of some of the best budget smartphones under Rs 15,000 in India. Realme 6, Poco M2 Pro, Samsung Galaxy M21, Realme Narzo 10, and Viv0 U20.