India has raised basic customs duty on mobile phones to 15 per cent from 10 per cent, imposed in July as it looks to encourage Make In India. Duty has also been raised on coloured television sets and microwave ovens to 20 per cent. "This to encourage industry to make in India....Those already manufacturing should also remain competitive," an official told ET. The government had imposed customs duty on mobile phones for the first time from July One, coinciding with the roll out of goods and services tax.